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Updated on: 01 Nov 2025, 04:45 100 Hardest Data Sufficiency Questions (Oct 1st, 2025 - Nov 1st, 2025)
Are you familiar with the GMAT Club's timer?We have pulled timer results from our database and analyzed every question in the forum. Based on those results, we have compiled a list of the hardest questions in each of the question forums we have. Below I am presenting to you the top 100 questions from DS forum.
| Data Sufficiency (DS) | ||
| Rank | Title | Topics |
| 1 | A car dealership carries only sedans and SUVs | Difficulty: 805+ Level, Percent and Interest Problems, Word Problems, Source: Veritas Prep |
| 2 | In the correctly worked addition problem above, A, B, C, D | Difficulty: 805+ Level, Arithmetic, Number Properties, Source: Manhattan GMAT |
| 3 | If all the N students of a class are classified into groups of either | Difficulty: 805+ Level, Multiples and Factors, Number Properties, Source: e-GMAT |
| 4 | A three digit number A with hundreds digit a, tens digit b and units | Difficulty: 805+ Level, Multiples and Factors, Number Properties, Source: Jamboree |
| 5 | P and Q are prime numbers less than 70. What is the units digit of P*Q | Difficulty: 805+ Level, Number Properties, Source: e-GMAT |
| 6 | At a certain animal shelter, there are nine dogs available for | Difficulty: 805+ Level, Probability, Source: GMAT Ninja |
| 7 | Superfast train A leaves Newcastle for Birmingham at 3 PM and travels | Difficulty: 805+ Level, Distance and Speed Problems, Source: Veritas Prep |
| 8 | There is a sequence, 4(10^n), 4(10^(n-1)), ..., 4(10^(n-m)), for posit | Difficulty: 805+ Level, Number Properties, Sequences, Source: Math Revolution |
| 9 | 12 Days of Christmas GMAT Competition - Day 8: Set X = {a, b, c, d, 9} | Difficulty: 805+ Level, Statistics and Sets Problems, Source: Competition Questions, Source: GMAT Club Tests |
| 10 | The average (arithmetic mean) of 5 distinct, single digit integers is | Difficulty: 805+ Level, Number Properties, Source: Princeton Review |
| 11 | b, c, d, e, f and g are different positive integers. When b is divided | Difficulty: 805+ Level, Remainders, Source: GMAT Prep Now |
| 12 | If a and b are two-digit positive integers greater than 10 | Difficulty: 805+ Level, Remainders, Source: GMAT Club Tests |
| 13 | X is a three-digit positive integer in which each digit is either 1 or | Difficulty: 805+ Level, Fractions and Ratios, Remainders, Source: Manhattan GMAT |
| 14 | Mrs. Claus is selecting three reindeer from the herd for a special | Difficulty: 805+ Level, Probability, Source: GMAT Club Tests |
| 15 | Positive integers a, b and c are all less than 10. If the sum of all | Difficulty: 805+ Level, Arithmetic, Combinations, Number Properties, Source: GMAT Club Tests |
| 16 | W, X, Y, and Z represent distinct digits such that WX * YZ = 1995. Wha | Difficulty: 805+ Level, Number Properties, Source: Veritas Prep |
| 17 | Bob and Wendy left home to walk together to a restaurant for | Difficulty: 805+ Level, Distance and Speed Problems, Source: Manhattan GMAT |
| 18 | GMAT Club Olympics 2024 (Day 1): In a company, the average (arithmetic | Difficulty: 805+ Level, Statistics and Sets Problems, Source: Competition Questions, Source: GMAT Club Tests |
| 19 | Abe, Beth, Carl and Duncan are four siblings, among which Abe and Carl | Difficulty: 805+ Level, Number Properties, Source: e-GMAT |
| 20 | If a, b, and c are integers such that 0 < a < b < c < 10, is | Difficulty: 805+ Level, Multiples and Factors, Source: Manhattan GMAT |
| 21 | Julian bought 6 kilograms of cheese from each of Deli A and Deli B. At | Difficulty: 805+ Level, Word Problems, Source: 800 Score |
| 22 | A car manufacturer organized a test drive of two of its prototypes. | Difficulty: 805+ Level, Statistics and Sets Problems, Source: CrackVerbal |
| 23 | In the number 13,52#,@ and # represent distinct digits. | Difficulty: 805+ Level, Arithmetic, Multiples and Factors, Source: Princeton Review |
| 24 | A newer machine, working alone at its constant rate | Difficulty: 805+ Level, Work and Rate Problems, Source: Veritas Prep |
| 25 | If x, y and z are positive integers such that x^4*y^3 = z^2 | Difficulty: 805+ Level, Number Properties, Source: e-GMAT |
| 26 | For positive integers n and m (n>m), is the average (arithmetic mean) | Difficulty: 805+ Level, Number Properties, Statistics and Sets Problems, Source: Math Revolution |
| 27 | A certain fruit stand sells only apples for $0.26 each, bananas for $0 | Difficulty: 805+ Level, Word Problems, Source: Veritas Prep |
| 28 | GMAT CLUB OLYMPICS: In a survey of an Olympic team members, 1/6th of | Difficulty: 805+ Level, Overlapping Sets, Source: Competition Questions, Source: GMAT Club Tests |
| 29 | Six numbers are randomly selected and placed within a set. If the set | Difficulty: 805+ Level, Statistics and Sets Problems, Source: Princeton Review |
| 30 | There are three different ways to score in basketball. A successful | Difficulty: 805+ Level, Word Problems, Source: Kaplan |
| 31 | x, y are positive integers. Find the number of even factors of 4x^2 | Difficulty: 805+ Level, Multiples and Factors, Number Properties, Source: e-GMAT |
| 32 | A certain diet program calls for eating daily calories from | Difficulty: 805+ Level, Word Problems, Source: GMAT Paper Tests |
| 33 | In the correctly-worked multiplication problem above, each | Difficulty: 805+ Level, Number Properties, Source: Veritas Prep |
| 34 | GMAT Club Olympics 2024 (Day 2): Of the 100 flowers in a garden, 3/4 | Difficulty: 805+ Level, Word Problems, Source: Competition Questions, Source: GMAT Club Tests |
| 35 | GMAT Club World Cup 2022 (DAY 1): Mbappé has two types of sneakers | Difficulty: 805+ Level, Word Problems, Source: Competition Questions, Source: GMAT Club Tests |
| 36 | Between 1980 and 1985, Pierre’s investment portfolio increas | Difficulty: 805+ Level, Percent and Interest Problems, Source: Princeton Review |
| 37 | In the correctly-worked multiplication problem above, each symbol repr | Difficulty: 805+ Level, Arithmetic, Number Properties, Source: Veritas Prep |
| 38 | The average (arithmetic mean) of the original six prices for six coats | Difficulty: 805+ Level, Word Problems, Source: Manhattan GMAT |
| 39 | Allison always leaves her office at 5.00pm and reaches her | Difficulty: 805+ Level, Distance and Speed Problems, Source: Veritas Prep |
| 40 | Reiko drove from point A to point B at a constant speed, and | Difficulty: 805+ Level, Distance and Speed Problems, Source: Manhattan GMAT |
| 41 | If a and b are positive integers, what is the remainder when ab is | Difficulty: 805+ Level, Multiples and Factors, Number Properties, Remainders, Source: Manhattan GMAT |
| 42 | Jeff drove two laps around a track. Was his average speed less than 60 | Difficulty: 805+ Level, Distance and Speed Problems, Source: Manhattan GMAT |
| 43 | If m and n are non-zero integers, is m6-m5-m4 divisible by n? 1) m2 | Difficulty: 805+ Level, Multiples and Factors, Number Properties, Source: Math Revolution |
| 44 | A coin purse contains 13 coins, each worth 1, 5, 10, or 25 cents; the | Difficulty: 805+ Level, Word Problems, Source: Manhattan GMAT |
| 45 | The average (arithmetic mean) of the original six prices for six coats | Difficulty: 805+ Level, Statistics and Sets Problems, Source: Manhattan GMAT |
| 46 | Lily has only red and blue balls in a jar. If she removes three balls | Difficulty: 805+ Level, Probability, Source: Experts' Global |
| 47 | 1/3 of golfers also play tennis, 3/5 of tennis players also surf. 4/7 | Difficulty: 805+ Level, Fractions and Ratios, Overlapping Sets, Probability, Source: Princeton Review |
| 48 | If x, y, and z are integers, and x < y < z, is z y = y | Difficulty: 805+ Level, Statistics and Sets Problems, Source: Manhattan GMAT |
| 49 | Is A + B + C even? | Difficulty: 805+ Level, Number Properties, Source: GMAT Club Tests |
| 50 | A state legislator drafts an income tax proposal that imposes a tax of | Difficulty: 805+ Level, Word Problems, Source: Princeton Review |
| 51 | Set P consists of the first n positive multiples of 3 and set Q consis | Difficulty: 805+ Level, Number Properties, Source: e-GMAT |
| 52 | In a group of 80 college students, how many own a car? | Difficulty: 805+ Level, Overlapping Sets, Source: Magoosh |
| 53 | If m, n, and p are three-digit integers and m + n = p | Difficulty: 805+ Level, Number Properties, Source: Manhattan GMAT |
| 54 | Four friends go to Macys for shopping and buy a top each. Three of th | Difficulty: 805+ Level, Word Problems, Source: Veritas Prep |
| 55 | The difference between positive two-digit integer A and the smaller tw | Difficulty: 805+ Level, Multiples and Factors, Number Properties, Source: Manhattan GMAT |
| 56 | A certain salesman's yearly income is determined by a base salary plus | Difficulty: 805+ Level, Percent and Interest Problems, Word Problems, Source: Manhattan GMAT |
| 57 | GMAT Club World Cup 2022 (DAY 10): On a joint company picnic, 160 | Difficulty: 805+ Level, Word Problems, Source: Competition Questions, Source: GMAT Club Tests |
| 58 | At a particular store, candy bars are normally priced at $1. | Difficulty: 805+ Level, Word Problems, Source: Manhattan GMAT |
| 59 | In the morning, Chris drives from Toronto to Oakville and in the eveni | Difficulty: 805+ Level, Distance and Speed Problems, Source: Veritas Prep |
| 60 | Three positive integers a, b and c leave the same remainder y | Difficulty: 805+ Level, Remainders, Source: e-GMAT |
| 61 | In the sequence a1,a2,…,an,…,a1=x and an=y–zan−1 for all n>1. Is a3>a2 | Difficulty: 805+ Level, Sequences, Source: Veritas Prep |
| 62 | w, x, y and z are positive integers. When w is divided by x, the quoti | Difficulty: 805+ Level, Multiples and Factors, Remainders, Source: GMAT Prep Now |
| 63 | A bag contains four types of coins: 5-cent coins, 10 cent coins, 50-ce | Difficulty: 805+ Level, Word Problems, Source: e-GMAT |
| 64 | w, x, y and z are positive integers such that y < z < x < w. | Difficulty: 805+ Level, Remainders, Source: GMAT Prep Now |
| 65 | A quality control worker at a warehouse inspects x separate boxes, eac | Difficulty: 805+ Level, Statistics and Sets Problems, Source: Princeton Review |
| 66 | For positive integers n and m (n>m), is the average (arithmetic mean) | Difficulty: 805+ Level, Number Properties, Source: Math Revolution |
| 67 | W, X, Y and Z are four different positive integers. | Difficulty: 805+ Level, Remainders, Source: GMAT Prep Now |
| 68 | There are 6 floors in an apartment building. | Difficulty: 805+ Level, Word Problems, Source: Magoosh |
| 69 | If x and y are positive integers, what is the value of x? | Difficulty: 805+ Level, Remainders, Source: GMAT Prep Now |
| 70 | The members of a company’s board of directors must select a subcommitt | Difficulty: 805+ Level, Combinations, Source: Kaplan |
| 71 | Of the 48 students in a class, 16 like to study History. What percenta | Difficulty: 805+ Level, Statistics and Sets Problems, Source: e-GMAT |
| 72 | Is x divisible by 39? | Difficulty: 805+ Level, Multiples and Factors, Remainders, Source: Kaplan |
| 73 | The median age of seven children in group A was 13. The median age of | Difficulty: 805+ Level, Statistics and Sets Problems, Source: Experts' Global |
| 74 | How many prime factors does positive integer n have? | Difficulty: 805+ Level, Multiples and Factors, Number Properties, Source: Veritas Prep |
| 75 | In the correctly worked addition problem above, M, N, R, S, T and V | Difficulty: 805+ Level, Arithmetic, Source: Veritas Prep |
| 76 | Kevin rented a car for a cost of c dollars | Difficulty: 805+ Level, Word Problems, Source: Experts' Global |
| 77 | Merle's spare change jar has exactly 16 U.S. coins, each of which is a | Difficulty: 805+ Level, Word Problems, Source: Official Guide |
| 78 | If N is a positive three-digit number that is greater than 2 | Difficulty: 805+ Level, Fractions and Ratios, Number Properties, Source: Manhattan GMAT |
| 79 | A nonprofit group organizes its local fundraisers in teams, | Difficulty: 805+ Level, Word Problems, Source: Veritas Prep |
| 80 | When a certain drug was administered to a group of patients, some pati | Difficulty: 805+ Level, Overlapping Sets, Source: GMAT Prep (Focus only) |
| 81 | 12 Days of Christmas GMAT Competition - Day 5: On a farm with a total | Difficulty: 805+ Level, Word Problems, Source: Competition Questions, Source: GMAT Club Tests |
| 82 | For the sequence of numbers a1, a2, a3, an, , each term after the | Difficulty: 805+ Level, Sequences, Source: Princeton Review |
| 83 | One-sixth of the orders placed at a take-out restaurant on Friday nigh | Difficulty: 805+ Level, Word Problems, Source: Magoosh |
| 84 | A drawer contains 6 socks. If two socks are randomly | Difficulty: 805+ Level, Probability, Source: GMAT Prep Now |
| 85 | p, q and r are positive integers such that p<q<rp<q<r . When p is ex | Difficulty: 805+ Level, Fractions and Ratios, Multiples and Factors, Number Properties, Source: GMATWhiz |
| 86 | GMAT Club World Cup 2022 (DAY 2): Is the range of a set of hundred | Difficulty: 805+ Level, Statistics and Sets Problems, Source: Competition Questions, Source: GMAT Club Tests |
| 87 | A companys health plan has a deductible of $1,200, | Difficulty: 805+ Level, Fractions and Ratios, Percent and Interest Problems, Word Problems, Source: Marty Murray Coaching, Math Related |
| 88 | Students in a class are arranged to form groups of 4 members each | Difficulty: 805+ Level, Remainders, Source: Veritas Prep |
| 89 | A group of people is seated at a table at which a toast is made. | Difficulty: 805+ Level, Combinations, Source: Princeton Review |
| 90 | A dental licensure exam requires a 75% minimum score in orde | Difficulty: 805+ Level, Fractions and Ratios, Word Problems, Source: Veritas Prep |
| 91 | Julie wants to be sure that she has enough pies for each of her | Difficulty: 805+ Level, Word Problems, Source: Manhattan GMAT |
| 92 | GMAT CLUB OLYMPICS: If x > 0, is 1/x a prime number ? | Difficulty: 805+ Level, Multiples and Factors, Number Properties, Source: Competition Questions, Source: GMAT Club Tests |
| 93 | During a certain game, after each turn, a player’s points are doubled | Difficulty: 805+ Level, Word Problems, Source: Veritas Prep |
| 94 | If x is a positive integer greater than 1, and y is the smallest posit | Difficulty: 805+ Level, Number Properties, Source: Manhattan GMAT |
| 95 | At a certain fiorist shop, roses can be purchased either individually | Difficulty: 805+ Level, Word Problems, Source: Manhattan GMAT |
| 96 | If 10^a * 3^b * 5^c = 450^n, what is the value of c? | Difficulty: 805+ Level, Number Properties, Source: Veritas Prep |
| 97 | GMAT CLUB OLYMPICS: If x is a positive integer greater than 3 and x^4 | Difficulty: 805+ Level, Multiples and Factors, Remainders, Source: Competition Questions, Source: GMAT Club Tests |
| 98 | Blair is shopping for a meal. He buys truffles, caviar, tuna, and grap | Difficulty: 805+ Level, Word Problems, Source: Princeton Review |
| 99 | Each of seven consecutive integers, all greater than positive integer | Difficulty: 805+ Level, Multiples and Factors, Number Properties, Statistics and Sets Problems, Source: Manhattan GMAT |
| 100 | Events A and B are independent and have equal probabilities | Difficulty: 805+ Level, Probability, Source: Veritas Prep |
100 Easiest Data Sufficiency Questions (Oct 1st, 2025 - Nov 1st, 2025)
Are you familiar with the GMAT Club's timer?We have pulled timer results from our database and analyzed every question in the forum. Based on those results, we have compiled a list of the easiest questions in each of the question forums we have. Below I am presenting to you the top 100 questions from DS forum.
| Data Sufficiency (DS) | ||
| Rank | Title | Topics |
| 1 | What is the number of pages of a certain journal article? The size of | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019 |
| 2 | What is the value of 10 percent of y? | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2018, Source: OG 2017, Source: OG 2016 |
| 3 | What number is 15 percent of x ? (1) 18 is 6 percent of x (2) 2/3 of x | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: Official Guide, Source: OG 11, Source: OG 10 |
| 4 | Is the integer k a prime number? (1) 2k = 6 (2) 1 < k < 6 | Difficulty: Sub 505 Level, Number Properties, Source: Official Guide, Source: OG 11 |
| 5 | If a certain vase contains only roses and tulips, how many tulips are | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2025-2026 |
| 6 | A box contains only white balls and black balls. What is the probabili | Difficulty: Sub 505 Level, Probability, Source: Official Guide, Source: Data Insights Review 2024-2025, Source: Quant Review 2022, Source: Quant Review 2021 |
| 7 | If Hans purchased a pair of skis and a ski jacket, what was the cost | Difficulty: Sub 505 Level, Word Problems, Source: 1000 Series, Source: Official Guide, Source: OG 10 |
| 8 | If r and s are positive integers, is r + s even? | Difficulty: Sub 505 Level, Number Properties, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020 |
| 9 | What is the tenths digit of the number d when it is written as a decim | Difficulty: Sub 505 Level, Fractions and Ratios, Source: Official Guide, Source: EA, Source: Quant Review 2018, Source: Quant Review 2017, Source: Quant Review 2016 |
| 10 | What was the median annual salary for the employees at Compan | Difficulty: Sub 505 Level, Statistics and Sets Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2025-2026 |
| 11 | How many basic units of currency X are equivalent to 250 basi | Difficulty: Sub 505 Level, Arithmetic, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2025-2026 |
| 12 | How many liters of apple juice were added to the cranberry juice in a | Difficulty: Sub 505 Level, Mixture Problems, Source: GMAT Prep (Focus only) |
| 13 | In a recent town election, what was the ratio of the number of votes | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2025-2026 |
| 14 | An attorney charged a fee for estate planning services for a certain | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: GMAT Prep (Classic only) |
| 15 | In College X the number of students enrolled in both a | Difficulty: Sub 505 Level, Overlapping Sets, Source: GMAT Paper Tests, Source: Official Guide, Source: OG 2017, Source: OG 2016, Source: OG 2015, Source: OG 12 |
| 16 | The research funds of a certain company were divided among three depar | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2025-2026 |
| 17 | If sequence S has 120 terms, what is the 105th term of S? | Difficulty: Sub 505 Level, Sequences, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2018, Source: OG 2017, Source: OG 2016 |
| 18 | Is k positive? (1) k is between -2 and 3 on the number line. (2) k is | Difficulty: Sub 505 Level, Number Properties, Source: GMAT Prep (Classic only) |
| 19 | If a certain machine produces bolts at a constant rate, how many | Difficulty: Sub 505 Level, Work and Rate Problems, Source: GMAT Prep (Focus only) |
| 20 | For which type of investment, J or K, is the annual rate of return gre | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: 1000 Series, Source: GMAT Paper Tests, Source: Official Guide, Source: OG 2022, Source: OG 2015, Source: OG 12 |
| 21 | If sequence S has 200 terms, what is the 192nd term of S | Difficulty: Sub 505 Level, Sequences, Source: GMAT Prep (Classic only), Source: OG 12 |
| 22 | What is the capacity, in liters, of a certain aquarium? | Difficulty: Sub 505 Level, Word Problems, Source: 1000 Series, Source: GMAT Paper Tests |
| 23 | If the list price of a new car was $12,300, what was the cost of the | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: 1000 Series, Source: GMAT Paper Tests, Source: Official Guide, Source: OG 10 |
| 24 | If p, q, x, y and z are different positive integers, which of the five | Difficulty: Sub 505 Level, Statistics and Sets Problems, Source: 1000 Series, Source: GMAT Paper Tests, Source: Official Guide, Source: OG 10, Source: Quant Review 2022, Source: Quant Review 2021, Source: Quant Review 2020, Source: Quant Review 2019, Source: Quant Review 2018, Source: Quant Review 2017, Source: Quant Review 1st, Source: Quant Review 2nd, Source: Quant Review 2016 |
| 25 | For a certain bottle and cork, what is the price of the cork? | Difficulty: Sub 505 Level, Word Problems, Source: 1000 Series, Source: Official Guide (Pre-2000), Source: OG 1988 |
| 26 | Each of the marbles in a jar is either red or white or blue. If one ma | Difficulty: Sub 505 Level, Probability, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2018, Source: OG 2017, Source: OG 2016, Source: OG 2025-2026 |
| 27 | Carlotta can drive from her home to her office by one of two | Difficulty: Sub 505 Level, Distance and Speed Problems, Source: 1000 Series, Source: Official Guide, Source: OG 12, Source: OG 11, Source: OG 10 |
| 28 | The symbol R represents one of the following | Difficulty: Sub 505 Level, Arithmetic, Functions and Custom Characters, Source: GMAT Hacks |
| 29 | Committee member W wants to schedule a one-hour meeting on T | Difficulty: Sub 505 Level, Word Problems, Source: 1000 Series, Source: Official Guide, Source: OG 10, Source: Quant Review 1st, Source: Quant Review 2nd, Source: Quant Review 2016 |
| 30 | A company bought 3 printers and 1 scanner. What was the price of the | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2025-2026 |
| 31 | What is the average distance that automobile D travels on one full | Difficulty: Sub 505 Level, Distance and Speed Problems, Source: 1000 Series, Source: Official Guide (Pre-2000), Source: OG 1988 |
| 32 | There are 2 groups of students who took a history test. Was the averag | Difficulty: Sub 505 Level, Overlapping Sets, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2025-2026 |
| 33 | Hoses X and Y simultaneously fill an empty swimming pool | Difficulty: Sub 505 Level, Work and Rate Problems, Source: 1000 Series, Source: Official Guide, Source: OG 10, Source: Quant Review 1st, Source: Quant Review 2nd |
| 34 | How many of the students in a certain class are taking both a history | Difficulty: Sub 505 Level, Number Properties, Word Problems, Source: GMAT Prep (Classic only) |
| 35 | What is 11% of x? (1) 3/8 of x is 24 (2) 5% of x is 3.2 | Difficulty: Sub 505 Level, Arithmetic, Percent and Interest Problems, Source: Manhattan GMAT |
| 36 | If r and s are positive integers, r is what percent of s? | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: 1000 Series, Source: Official Guide, Source: OG 11, Source: OG 10, Source: Quant Review 1st |
| 37 | What is the value of n? | Difficulty: Sub 505 Level, Number Properties, Source: GMAT Prep (Classic only) |
| 38 | Is the integer p even? (1) The integer p^2 + 1 is odd. (2) The integer | Difficulty: Sub 505 Level, Number Properties, Source: Official Guide, Source: Quant Review 2022, Source: Quant Review 2021, Source: Quant Review 2020, Source: Quant Review 2019 |
| 39 | Is x greater than 75 percent of y ? | Difficulty: Sub 505 Level, Arithmetic, Percent and Interest Problems, Source: 1000 Series, Source: GMAT Paper Tests |
| 40 | How much did the taxi driver charge George for the trip to the airport | Difficulty: Sub 505 Level, Word Problems, Source: GMAT Prep (Classic only) |
| 41 | What is the retail price of a certain calculator? (1) The retail pri | Difficulty: Sub 505 Level, Arithmetic, Source: Manhattan GMAT |
| 42 | If n is an integer, is n + 1 odd? | Difficulty: Sub 505 Level, Number Properties, Source: Official Guide, Source: OG 2016, Source: OG 2015, Source: OG 12, Source: OG 11 |
| 43 | What is the tenths digit of the decimal d ? | Difficulty: Sub 505 Level, Number Properties, Source: 1000 Series, Source: GMAT Paper Tests |
| 44 | What is the greatest integer that is less than t? | Difficulty: Sub 505 Level, Number Properties, Source: GMAT Prep (Classic only) |
| 45 | A thoroughly blended biscuit mix includes only flour and bak | Difficulty: Sub 505 Level, Mixture Problems, Source: 1000 Series, Source: OG 11, Source: OG 10 |
| 46 | If a certain city is losing 12 percent of its daily water supply each | Difficulty: Sub 505 Level, Word Problems, Source: 1000 Series, Source: Official Guide, Source: OG 10 |
| 47 | Does Joe weigh more than Tim? (1) Tim’s weight is 80 percent of Joe’s | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: 1000 Series, Source: GMAT Paper Tests, Source: Official Guide, Source: OG 10 |
| 48 | What is the value of the integer x? (1) x is a prime number (2) 31 ≤ x | Difficulty: Sub 505 Level, Number Properties, Source: GMAT Paper Tests, Source: Official Guide, Source: OG 11, Source: OG 10, Source: Quant Review 2022, Source: Quant Review 2021 |
| 49 | A customer purchased 6 shirts priced at $10.99 each, excluding sales | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: GMAT Prep (Classic only), Source: Official Guide, Source: Data Insights Review 2024-2025 |
| 50 | Is n an integer greater than 14? | Difficulty: Sub 505 Level, Number Properties, Source: Official Guide (Pre-2000), Source: OG 1988 |
| 51 | What was the range of the selling prices of the 30 wallets sold by a | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2018, Source: OG 2017, Source: OG 2016, Source: OG 2025-2026 |
| 52 | A certain bag contains red, blue, and green marbles. What is the ratio | Difficulty: Sub 505 Level, Fractions and Ratios, Source: GMAT Prep (Classic only) |
| 53 | The regular price per eight-ounce can of brand X soup is $0.37, regard | Difficulty: Sub 505 Level, Word Problems, Source: 1000 Series, Source: GMAT Paper Tests, Source: OG 10 |
| 54 | Is p^2 an odd integer? (1) p is an odd integer. (2) is an odd integer. | Difficulty: Sub 505 Level, Number Properties, Source: GMAT Paper Tests, Source: Official Guide, Source: OG 10, Source: Quant Review 1st, Source: Quant Review 2nd, Source: Quant Review 2016 |
| 55 | How many people in a group of 50 own neither a fax machine nor a laser | Difficulty: Sub 505 Level, Overlapping Sets, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2018, Source: OG 2017, Source: OG 2016, Source: OG 2025-2026 |
| 56 | The regular price for canned soup was reduced during a sale. How much | Difficulty: Sub 505 Level, Word Problems, Source: 1000 Series, Source: OG 10 |
| 57 | In a certain class, some students donated cans of food to a local food | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2025-2026 |
| 58 | What is 5 percent of x ? (1) x = 200 (2) 10 percent of x is 20. | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: 1000 Series, Source: GMAT Paper Tests |
| 59 | On a map, 1/2 inch represents 100 miles. According to this map, how ma | Difficulty: Sub 505 Level, Arithmetic, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020 |
| 60 | By what percent was the price of a certain candy bar increased? | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: 1000 Series, Source: Official Guide, Source: OG 10 |
| 61 | What is the value of n in the list above? | Difficulty: Sub 505 Level, Statistics and Sets Problems, Source: Official Guide, Source: OG 2020, Source: OG 2019, Source: OG 2018, Source: OG 2017, Source: OG 2016, Source: OG 2015 |
| 62 | If r and s are integers, is r divisible by 7? | Difficulty: Sub 505 Level, Multiples and Factors, Number Properties, Source: 1000 Series, Source: OG 10 |
| 63 | Is r to the right of -6 on the number line? | Difficulty: Sub 505 Level, Number Properties, Source: GMAT Prep (Classic only) |
| 64 | Is x to the right of -5 on the number line? | Difficulty: Sub 505 Level, Number Properties, Source: GMAT Prep (Classic only) |
| 65 | How many men are in a certain company's vanpool program? | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2025-2026 |
| 66 | If n is a positive integer, are n and 1 the only positive divisors of | Difficulty: Sub 505 Level, Number Properties, Source: Official Guide (Pre-2000), Source: OG 1988 |
| 67 | How many numbers do the sets S and T have in common? | Difficulty: Sub 505 Level, Statistics and Sets Problems, Source: 1000 Series, Source: GMAT Paper Tests |
| 68 | How many books does Ricardo have? (1) If Ricardo had 15 fewer books, | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 10 |
| 69 | Last Friday each of the pets at a certain veterinary clinic was given | Difficulty: Sub 505 Level, Word Problems, Source: GMAT Prep (Classic only) |
| 70 | If S = {2, 3, x, y}, what is the value of x + y? | Difficulty: Sub 505 Level, Number Properties, Source: 1000 Series, Source: Official Guide (Pre-2000), Source: OG 1988 |
| 71 | If p and q are positive numbers, what percent of p is q? | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: GMAT Prep (Classic only) |
| 72 | If n is a member of the set {33, 36, 38, 39, 41, 42}, what is the va | Difficulty: Sub 505 Level, Statistics and Sets Problems, Source: 1000 Series, Source: GMAT Paper Tests, Source: Power Prep, Source: EA, Source: OG 10, Source: Quant Review 1st |
| 73 | In Country S, if 60 percent of the women aged 18 and over are in | Difficulty: Sub 505 Level, Word Problems, Source: 1000 Series |
| 74 | The number of seats in the first row of an auditorium is 18 | Difficulty: Sub 505 Level, Sequences, Source: 1000 Series, Source: Official Guide, Source: OG 2024-2025, Source: OG 2018, Source: OG 2017, Source: OG 2016, Source: OG 2015, Source: Data Insights Review 2024-2025 |
| 75 | If knz≠0, what is the ratio of k to n? 1) The ratio of k to z is 2 to | Difficulty: Sub 505 Level, Fractions and Ratios, Source: Math Revolution |
| 76 | If the average (arithmetic mean) cost per sweater for 3 pullover sweat | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: Data Insights Review 2024-2025, Source: Quant Review 2022, Source: Quant Review 2021 |
| 77 | The retail price of a certain refrigerator is 1.6 times its wholesale | Difficulty: Sub 505 Level, Word Problems, Source: GMAT Prep (Classic only) |
| 78 | Last year an employee received a gross annual salary of $18,000, which | Difficulty: Sub 505 Level, Word Problems, Source: 1000 Series, Source: Official Guide (Pre-2000), Source: OG 1988 |
| 79 | If integer p is greater than 1, is p a prime number? | Difficulty: Sub 505 Level, Multiples and Factors, Number Properties, Source: GMAT Prep (Classic only) |
| 80 | If J, K, L, M, and N and positive integers in ascending order, what is | Difficulty: Sub 505 Level, Number Properties, Source: 1000 Series, Source: Official Guide (Pre-2000), Source: OG 1988 |
| 81 | If on a fishing trip Jim and Tom each caught some fish, which one | Difficulty: Sub 505 Level, Word Problems, Source: 1000 Series, Source: Official Guide, Source: OG 10 |
| 82 | The total amount that John paid at a certain restaurant consisted of | Difficulty: Sub 505 Level, Word Problems, Source: GMAT Prep (Classic only), Source: GMAT Prep (Focus only) |
| 83 | If y > 0, then x is what percent of y? | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: GMAT Paper Tests, Source: Official Guide |
| 84 | If n is an integer, is n - 1 even? | Difficulty: Sub 505 Level, Number Properties, Source: Grockit |
| 85 | If n is a positive integer, is n odd? | Difficulty: Sub 505 Level, Number Properties, Source: 1000 Series, Source: Official Guide, Source: EA, Source: OG 10 |
| 86 | What percent of 16 is m? (1) m is 5 percent of 10. (2) 400 percent of | Difficulty: Sub 505 Level, Percent and Interest Problems, Source: 1000 Series |
| 87 | Is the average (arithmetic mean) of the seven numbers negative? | Difficulty: Sub 505 Level, Statistics and Sets Problems, Source: GMAT Paper Tests, Source: GMAT Prep (Classic only) |
| 88 | At a certain restaurant, if each hamburger costs the same am | Difficulty: Sub 505 Level, Word Problems, Source: GMAT Prep (Classic only) |
| 89 | Each of the 105 students in a certain club is either a freshman, sopho | Difficulty: Sub 505 Level, Fractions and Ratios, Source: GMAT Prep (Classic only) |
| 90 | Is Sarahs mathematics test score higher than the class average? | Difficulty: Sub 505 Level, Source: Official Guide, Source: OG 2024-2025, Non-Math Related, Source: OG 2025-2026 |
| 91 | If n and k are greater than zero, is n/k an integer ? | Difficulty: Sub 505 Level, Number Properties, Source: 1000 Series, Source: OG 11 |
| 92 | Is n equal to zero? (1) The product of n and some nonzero number is 0 | Difficulty: Sub 505 Level, Number Properties, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020 |
| 93 | Machine R and machine S work at their respective constant rates. How | Difficulty: Sub 505 Level, Work and Rate Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2025-2026 |
| 94 | A certain ski shop sold 125 pairs of skis and 100 pairs of ski boots | Difficulty: Sub 505 Level, Statistics and Sets Problems, Word Problems, Source: Official Guide, Source: Data Insights Review 2024-2025, Source: Quant Review 2022, Source: Quant Review 2021 |
| 95 | How old is Jane? (1) Ten years ago she was one-third as old as she is | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: Data Insights Review 2024-2025, Source: Quant Review 2022, Source: Quant Review 2021, Source: Quant Review 2020 |
| 96 | Was the amount of John's heating bill for February greater than it was | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2019, Source: OG 2025-2026 |
| 97 | If a school district paid a total of $35 per desk for x desks and a to | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 2022, Source: OG 2021, Source: OG 2020, Source: OG 2025-2026 |
| 98 | What were the gross revenues from ticket sales for a certain | Difficulty: Sub 505 Level, Word Problems, Source: Official Guide, Source: OG 10, Source: Quant Review 1st, Source: Quant Review 2nd, Source: Quant Review 2016 |
| 99 | Who types at a faster rate, John or Bob? | Difficulty: Sub 505 Level, Work and Rate Problems, Source: 1000 Series, Source: Official Guide (Pre-2000), Source: OG 1988 |
| 100 | If n is an integer, is (100-n)/n an integer? | Difficulty: Sub 505 Level, Number Properties, Source: GMAT Paper Tests, Source: OG 10, Source: Quant Review 1st |
