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Best Of The Best Of 2018: QUANTITATIVE

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Best Of The Best Of 2018: QUANTITATIVE  [#permalink]

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The Hardest Problem Solving Questions Posted in 2018
In descending order.

http://gmatclub.com/forum/topic-265607.html |In a certain sequence, each term beyond the second term is equal to th
http://gmatclub.com/forum/topic-259084.html |An ambulance, an hour after starting, meets with an accident which....
http://gmatclub.com/forum/topic-261540.html |13 students in a class had a medium score 10 and an average score of
http://gmatclub.com/forum/topic-281447.html |In a club, 75% of the members are men, and 50% of them are the only...
http://gmatclub.com/forum/topic-266064.html |If the sum of n (n>1) consecutive positive integers is 75. What is the
http://gmatclub.com/forum/topic-258409.html |John works twice as fast as Peter, but John takes a half hour break af
http://gmatclub.com/forum/topic-260494.html |Bill has a set of 6 black cards and a set of 6 red cards
http://gmatclub.com/forum/topic-271262.html |In a game of Numberball, teams can score in increments of 3, 4, or 7
http://gmatclub.com/forum/topic-269962.html |The random variable x has the following continuous probability distrib
http://gmatclub.com/forum/topic-266338.html |In a survey,it was found that 10% of the students who are susceptible
http://gmatclub.com/forum/topic-271449.html |In the diagram, AB = 8 and AD = 9. Two circles are tangent to each oth
http://gmatclub.com/forum/topic-281280.html |A certain computer program generates 4-digit even numbers using the f
http://gmatclub.com/forum/topic-265381.html |In a hostel there are 250 students, 120 watch Fox News, 80 watch Sky S
http://gmatclub.com/forum/topic-266200.html |Three pipes A, B, and C are attached to a tank. Pipe A alone can
http://gmatclub.com/forum/topic-263516.html |If x > 0, how many integer values of (x, y) will satisfy the equation
http://gmatclub.com/forum/topic-265447.html |A set of 13 integers has a median of 10 and an average of 15.
http://gmatclub.com/forum/topic-271093.html |A five-digit code for certain locks uses the digits 0,1,2,3,4,5,6,7,8,
http://gmatclub.com/forum/topic-282931.html |Question of the Week- 25 (For a meeting, 9 speakers must be .........)
http://gmatclub.com/forum/topic-265943.html |For how many integer values of x is 864(2/3)^x an integer?
http://gmatclub.com/forum/topic-258313.html |A cuboid of dimensions 4 in. x 6 in. x 7 in. is painted on all six
http://gmatclub.com/forum/topic-269169.html |The operator is defined by the following expression: a@b = |(a + 1)|
http://gmatclub.com/forum/topic-276636.html |Points a, b, c, d are all on a number line and d > a. If b is twice as
http://gmatclub.com/forum/topic-280061.html |If a computer program generates three-digit odd numbers using the numb
http://gmatclub.com/forum/topic-279861.html |The median of n consecutive odd integers is 30. If the fifth term.....
http://gmatclub.com/forum/topic-265349.html |List M consists of 50 decimals, each of which has a value between


The Hardest Data Sufficiency Questions Posted in 2018
In descending order.

http://gmatclub.com/forum/topic-267442.html |If all the N students of a class are classified into groups of either
http://gmatclub.com/forum/topic-270858.html |Maria drove a distance without stopping such that she covered first
http://gmatclub.com/forum/topic-266555.html |A three digit number A with hundreds digit a, tens digit b and units
http://gmatclub.com/forum/topic-265074.html |A red box contains 7 ropes, with an average length of 60 cm per rope,
http://gmatclub.com/forum/topic-267903.html |w, x, y and z are positive integers such that y < z < x < w.
http://gmatclub.com/forum/topic-278449.html |If x, y, and k are positive integers, is k < 10 ?
http://gmatclub.com/forum/topic-276637.html |What is b in the circle shown above? (1) bc = 5a (2) The length of PQ
http://gmatclub.com/forum/topic-264357.html |If x is an integer between 0 and 10 is y less than the average of x an
http://gmatclub.com/forum/topic-261962.html |Robots K, L and M assemble components at their respective constant res
http://gmatclub.com/forum/topic-277576.html |If John deposited 1000$ in a certain bank account, where the interest
http://gmatclub.com/forum/topic-262376.html |A state legislator drafts an income tax proposal that imposes a tax of
http://gmatclub.com/forum/topic-272981.html |Car rental agency A charges a cents for the first mile of ride
http://gmatclub.com/forum/topic-283511.html |A group of people is seated at a table at which a toast is made. Follo
http://gmatclub.com/forum/topic-271677.html |If x and y are both integers greater than 1, is xy>100 ?
http://gmatclub.com/forum/topic-276923.html |The members of a companys board of directors must select
http://gmatclub.com/forum/topic-264275.html |Is (a^2 - b^2)/2 an odd integer?
http://gmatclub.com/forum/topic-265485.html |w, x, y and z are positive integers. When w is divided by x, the quoti
http://gmatclub.com/forum/topic-277676.html |If x and y are non-zero integers, what is the value of (x^2y 1) ?
http://gmatclub.com/forum/topic-265996.html |Out of total 36 students in a class, what percent of students passed
http://gmatclub.com/forum/topic-272541.html |What is the value of p + q + r
http://gmatclub.com/forum/topic-263557.html |Every member of a local chess club is assigned one of two skill levels
http://gmatclub.com/forum/topic-268099.html |Is x divisible by 39?
http://gmatclub.com/forum/topic-273862.html |Is the perimeter of triangle ABC less than 15 centimetres ?
http://gmatclub.com/forum/topic-282024.html |A childrens theater sells tickets to a show. Tickets for children...
http://gmatclub.com/forum/topic-260342.html |In a recently held cricket tournament in one of the universities



The Best Problem Solving Discussions Posted In 2018
* Numbers before links indicate the number of Kudos and Bookmarks received by the post in 2018.

66| http://gmatclub.com/forum/topic-264172.html |The remainder when positive integer N is divided by 2 is 1, when divid
46| http://gmatclub.com/forum/topic-273671.html |If |x + 1 | > 2x - 1, which of the following represents the correct ra
42| http://gmatclub.com/forum/topic-273869.html |Minimum of how many people are needed to have the probability of more
41| http://gmatclub.com/forum/topic-276038.html |If ||x+3| - 12| < 13, what is the range of x?
36| http://gmatclub.com/forum/topic-268908.html |Over the past 7 weeks, the Smith family had weekly grocery bills of $7
36| http://gmatclub.com/forum/topic-268694.html |From 2000 to 2003, the number of employees at a certain company increa
34| http://gmatclub.com/forum/topic-268041.html |If three prime number are randomly selected from prime numbers less
34| http://gmatclub.com/forum/topic-268918.html |Greg assembles units of a certain product at a factory. Each day he is
34| http://gmatclub.com/forum/topic-277272.html |Drinks A and B are mixtures of lemon and orange juices. The ratio of l
33| http://gmatclub.com/forum/topic-258510.html |In the figure above, all the marked angles are some multiple of x
33| http://gmatclub.com/forum/topic-269184.html |X= 1^51 + 2^51 + ... + 16^51. What is the remainder when X is divided
32| http://gmatclub.com/forum/topic-271956.html |1 0.000001 =
32| http://gmatclub.com/forum/topic-280904.html |Project PS Butler - Get 2 PS Questions Everyday
31| http://gmatclub.com/forum/topic-266573.html |The function f(n) for an integer n is defined as the number of
30| http://gmatclub.com/forum/topic-279256.html |A bucket contains a mixture of two liquids A & B
30| http://gmatclub.com/forum/topic-267303.html |How many factors of 9600 are not divisible by 12?
29| http://gmatclub.com/forum/topic-269601.html |In the figure above, ABCD is a square. What are the coordinates of poi
29| http://gmatclub.com/forum/topic-268221.html |Half of a large pizza is cut into 4 equal-sized pieces, and the other
29| http://gmatclub.com/forum/topic-277589.html |What is the sum of all the 4 digit numbers formed by digits 2,3,4,5?
29| http://gmatclub.com/forum/topic-271978.html |A certain harbor has docking stations along its west and south docks,
29| http://gmatclub.com/forum/topic-273653.html |Shawna and Jia worked together to paint a house. Combined they worked
29| http://gmatclub.com/forum/topic-270140.html |Which of the following is the sum of solutions of |x+1| = 2|x-1|?
29| http://gmatclub.com/forum/topic-269388.html |If x and y are positive numbers such that x + y = 2, then which of the
29| http://gmatclub.com/forum/topic-275107.html |an alloy of gold,silverand bronze contain 90% bronze, 7% gold and
29| http://gmatclub.com/forum/topic-272217.html |Last year members of a certain professional organization for teachers


The Best Data Sufficiency Discussions Posted In 2018

40| http://gmatclub.com/forum/topic-280918.html |Project DS Butler - Get 2 DS Questions Everyday
39| http://gmatclub.com/forum/topic-268848.html |If xy 0, is x^3 + y^3 > 0 ?
36| http://gmatclub.com/forum/topic-268960.html |If n is an integer, what is the greatest common divisor of 12 and n ?
33| http://gmatclub.com/forum/topic-268872.html |The 10 students in a history class recently took an examination. What
32| http://gmatclub.com/forum/topic-272891.html |What is the value of 2^x + 2^(-x) ? (1) x < 0 (2) 4^x + 4^(x) = 23
31| http://gmatclub.com/forum/topic-270858.html |Maria drove a distance without stopping such that she covered first
29| http://gmatclub.com/forum/topic-263142.html |In multiplication of the two digit numbers wx and cx, where w, x, and
29| http://gmatclub.com/forum/topic-262219.html |Numbers a and b are positive integers. If a^4-b^4 is divided by 3
28| http://gmatclub.com/forum/topic-272440.html |What is the average (arithmetic mean) annual salary of the 6 employees
27| http://gmatclub.com/forum/topic-272371.html |Company X's profits this year increased by 25% over last year's profit
27| http://gmatclub.com/forum/topic-268699.html |Is the sum of the prices of the 3 books that Shana bought less than $4
26| http://gmatclub.com/forum/topic-265074.html |A red box contains 7 ropes, with an average length of 60 cm per rope,
26| http://gmatclub.com/forum/topic-278040.html |Math Revolution DS Expert - Ask Me Anything about GMAT DS
26| http://gmatclub.com/forum/topic-272476.html |What is the probability that Lee will make exactly 5 errors on a certa
25| http://gmatclub.com/forum/topic-265592.html |A jar contains x red marbles, y white marbles and z blue marbles wherE
25| http://gmatclub.com/forum/topic-268490.html |Last year, in a certain housing development, the average (arithmetic m
25| http://gmatclub.com/forum/topic-272435.html |The figure above shows Line L, Circle 1 with center at C1, and Circle
23| http://gmatclub.com/forum/topic-272376.html |How many members of a certain legislature voted against the measure to
23| http://gmatclub.com/forum/topic-271912.html |Is x > y? (1) |x| >|y| (2) 1/4 x + 1/3 y > 0
22| http://gmatclub.com/forum/topic-272375.html |If k and are lines in the xy-plane, is the slope of k less than the
22| http://gmatclub.com/forum/topic-268697.html |Robin invested a total of $12,000 in two investments, X and Y, so that
22| http://gmatclub.com/forum/topic-259707.html |Is quadrilateral ABCD a square? (1) A = C = 90 (2) AB = AD
21| http://gmatclub.com/forum/topic-259423.html |Is x an even integer? (1) x^2 is divisible by 4 (2) x^4 is divisible
21| http://gmatclub.com/forum/topic-265996.html |Out of total 36 students in a class, what percent of students passed
20| http://gmatclub.com/forum/topic-260966.html |what is the area of the triangle ABC?


The Best Main Math Forum Discussions Posted In 2018

358| http://gmatclub.com/forum/topic-268443.html |The Official Guide for GMAT Review 2019
71| http://gmatclub.com/forum/topic-265115.html |Short Videos by Experts' Global - GMAT Shots | Quantitative
52| http://gmatclub.com/forum/topic-268444.html |The Official Guide for GMAT Quantitative Review 2019
50| http://gmatclub.com/forum/topic-284966.html |New Year's Quantitative Challenge Set: Jedi Edition!!!
49| http://gmatclub.com/forum/topic-275753.html |Gmatbusters' Weekly Quant Quiz
48| http://gmatclub.com/forum/topic-271131.html |New to GMAT club! Need help!
44| http://gmatclub.com/forum/topic-262490.html |NEW!!! Sequences Made Easy - All in One Topic! NEW!!!
39| http://gmatclub.com/forum/topic-257377.html |NEW!!!!!!!!!! Best Of The Best Of 2017 NEW!!!!!!!!!!
34| http://gmatclub.com/forum/topic-266955.html |Question of the Week - Consolidated List
32| http://gmatclub.com/forum/topic-263129.html |Fool-proof method to differentiate between Permutation and Combination
32| http://gmatclub.com/forum/topic-262678.html |Learn when to Add and Multiply in Permutation & Combination
26| http://gmatclub.com/forum/topic-269413.html |Effects of arithmetic operations on Fractions
23| http://gmatclub.com/forum/topic-263592.html |Error log/ Study Notes
22| http://gmatclub.com/forum/topic-266202.html |Solve Time and Work Problems Efficiently using Efficiency Method!
19| http://gmatclub.com/forum/topic-276031.html |Different methods to solve absolute value equations and inequalities
19| http://gmatclub.com/forum/topic-267471.html |gmatbusters' challenge questions
17| http://gmatclub.com/forum/topic-266779.html |3 Deadly Mistakes You Must Avoid in Time and Work Questions
17| http://gmatclub.com/forum/topic-274110.html |Solving inequalities- Number Line Method
17| http://gmatclub.com/forum/topic-265222.html |Application of Average Speed in Distance problems
17| http://gmatclub.com/forum/topic-269689.html |Solve any Mean and Standard deviation question under a minute
15| http://gmatclub.com/forum/topic-260574.html |The e-GMAT Number Properties Marathon
15| http://gmatclub.com/forum/topic-270268.html |Solve any Median and Range question in a minute
14| http://gmatclub.com/forum/topic-264310.html |3 deadly mistakes you must avoid in Probability
13| http://gmatclub.com/forum/topic-266092.html |CONCEPT- Dividing Objects into Groups - Combinations
13| http://gmatclub.com/forum/topic-268806.html |Struggling to improve Quant, recommendation to choose the right course



Who To Follow In Quantitative Forums And Their Two Best Posts In 2018
*Number in front of username indicates the total number of Kudos accumulated by the user in Quantitative forums in 2018.

7477| Bunuel
50| http://gmatclub.com/forum/p2196122 |New Year's Quantitative Challenge Set: Jedi Edition!!!
35| http://gmatclub.com/forum/p1995344| NEW!!!!!!!!!! Best Of The Best Of 2017 NEW!!!!!!!!!!
---------------------------------
1641| EgmatQuantExpert
33| http://gmatclub.com/forum/p2070737 |Question of the Week - Consolidated List
31| http://gmatclub.com/forum/p2044496 |Fool-proof method to differentiate between Permutation and Combination
---------------------------------
1478| chetan2u
24| http://gmatclub.com/forum/p2086955 |Effects of arithmetic operations on Fractions
14| http://gmatclub.com/forum/p2018532 |What is the value of 1+1/(1+2)+1/(1+2+3)
---------------------------------
961| gmatbusters
36| http://gmatclub.com/forum/p2166727 |Project DS Butler - Get 2 DS Questions Everyday
32| http://gmatclub.com/forum/p2128961 |Gmatbusters' Weekly Quant Quiz
---------------------------------
937| MathRevolution
13| http://gmatclub.com/forum/p2005506 |A grocery store sells apples by the pound. If the price per pound is i
12| http://gmatclub.com/forum/p2032285 |In how many ways can two integers m and n, with m > n, be selected fro
---------------------------------
861| GMATPrepNow
17| http://gmatclub.com/forum/p2069981 |J = x rounded to the nearest TENTH, and K = x
16| http://gmatclub.com/forum/p2166750 |Al, Bob, Cal and Don each own 1 hat. If the 4 hats are
---------------------------------
725| pushpitkc
15| http://gmatclub.com/forum/p2056430 |If p is an integer and 1365^p is a factor of 200
13| http://gmatclub.com/forum/p2067911 |The function f(n) for an integer n is defined as the number of
---------------------------------
689| amanvermagmat
23| http://gmatclub.com/forum/p2096414 |Maria drove a distance without stopping such that she covered first
21| http://gmatclub.com/forum/p2057856 |A red box contains 7 ropes, with an average length of 60 cm per rope,
---------------------------------
486| PKN
21| http://gmatclub.com/forum/p2085384 |X= 1^51 + 2^51 + ... + 16^51. What is the remainder when X is divided
10| http://gmatclub.com/forum/p2094311 |Given p=|q| and q=3^a-(27^40+27^8), which of the following values of '
---------------------------------
412| GMATinsight
13| http://gmatclub.com/forum/p2039132 |In a race of 6 horses A, B, C, D, E and F, what is the probability of
7| http://gmatclub.com/forum/p2127599 |What is the probability of n(n+1)(n+2) being evenly divisible by 8? 1
---------------------------------
374| generis
7| http://gmatclub.com/forum/p2078369 |If three prime number are randomly selected from prime numbers less
5| http://gmatclub.com/forum/p2079246 |Line Z passes above points (5, 5) and (25, 15) and below point (20, 15
---------------------------------
364| CAMANISHPARMAR
20| http://gmatclub.com/forum/p2073154 |How many factors of 9600 are not divisible by 12?
11| http://gmatclub.com/forum/p2073661 |If (x^2+8)yz < 0, wz > 0, and xyz < 0, the which of the following mus
---------------------------------
358| VeritasKarishma
24| http://gmatclub.com/forum/p2030419 |Re: A tank is filled with gasoline to a depth of exactly 2 feet. The tank
7| http://gmatclub.com/forum/p2144760 |Re: In a class, there are 40 students. In a test, the average (arithmetic
---------------------------------
309 bb
294| http://gmatclub.com/forum/p2080668 |The Official Guide for GMAT Review 2019
3| http://gmatclub.com/forum/p2101671 |Re: The Official Guide for GMAT Review 2019
---------------------------------
292| ScottTargetTestPrep
6| http://gmatclub.com/forum/p2155196 |Re: A rectangular park has a perimeter of 560 feet and a diagonal measurem
4| http://gmatclub.com/forum/p2074080 |Re: If x and y are integers, and x/y = 1.64, which


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Best Of The Best Of 2018: QUANTITATIVE  [#permalink]

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Best Of The Best Of 2018: QUANTITATIVE   [#permalink] 24 Jan 2019, 01:02
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