150 Hardest Data Sufficiency Questions (Aug 1st, 2018 - Sep 1st, 2018)

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 150 questions from DS forum.

Data Sufficiency (DS)
Rank	Title	Topics
1	In the correctly worked addition problem above, A, B, C, D	Difficulty: 700-Level, Arithmetic, Number Properties, Source: Manhattan GMAT
2	Train A leaves New York for Boston at 3 PM and travels at	Difficulty: 700-Level, Distance/Rate Problems
3	w, x, y, and z are integers. If w > x > y > z > 0, is y a common	Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Source: Manhattan GMAT
4	What is the perimeter of PQRS ? (1) x = 30 degree	Difficulty: 700-Level, Geometry
5	A car dealership carries only sedans and SUVs	Difficulty: 700-Level, Percent and Interest Problems, Word Problems, Source: Veritas Prep
6	If k is an integer and x(x – k) = k + 1, what is the value of x?	Difficulty: 700-Level, Algebra, Source: Other - Please specify
7	If n is a prime number greater than 2, is 1/x > 1?	Difficulty: 700-Level, Inequalities, Source: Manhattan GMAT
8	n and k are positive integers. When n is divided by 23, the quotient i	Difficulty: 700-Level, Remainders, Source: GMATPrepNow
9	If, in the addition problem above, a, b, c, d, e, f, x, y, a	Difficulty: 700-Level, Arithmetic
10	Right triangle ABO is drawn in the xy-plane, with OB as hypo	Difficulty: 700-Level, Geometry, Source: Manhattan GMAT
11	The average (arithmetic mean) of 5 distinct, single digit integers is	Difficulty: 700-Level, Number Properties, Source: Princeton Review
12	For integers a and b, if (a^3 a^2 b)^1/2 = 7, what is the	Difficulty: 700-Level, Algebra
13	Abe, Beth, Carl and Duncan are four siblings, among which Abe and Carl	Difficulty: 700-Level, Number Properties, Source: e-GMAT
14	Math Revolution and GMAT Club Contest! There is a sequence, 4(10^n),	Difficulty: 700-Level, Number Properties, Sequences, Source: Manhattan GMAT, Source: Math Revolution
15	When 120 is divided by positive single-digit integer m the remainder	Difficulty: 700-Level, Absolute Values/Modulus, Divisibility/Multiples/Factors, Source: Other - Please specify
16	The cost of 3 chocolates, 5 biscuits, and 5 ice creams is	Difficulty: 700-Level, Word Problems
17	P and Q are prime numbers less than 70. What is the units digit of P*Q	Difficulty: 700-Level, Number Properties, Source: e-GMAT
18	What is b in the circle shown above?	Difficulty: 700-Level, Geometry, Source: Other - Please specify
19	Julian bought 6 kilograms of cheese from each of Deli A and Deli B. At	Difficulty: 700-Level, Word Problems, Source: 800 Score
20	If 20 Swiss Francs is enough to buy 9 notebooks and 3	Difficulty: 700-Level, Inequalities, Word Problems
21	Is a - 3b an even number?	Difficulty: 700-Level, Number Properties
22	If x is a positive integer less than 100 such that x is	Difficulty: 700-Level, Algebra, Exponents/Powers, Source: e-GMAT
23	The Range of Set A is R. A number having equal value to R	Difficulty: 700-Level, Statistics and Sets Problems
24	If h and k are both positive integers, are both roots of the equation	Difficulty: 700-Level, Algebra
25	If x, y and z are positive integers such that x^4*y^3 = z^2	Difficulty: 700-Level, Number Properties, Source: e-GMAT
26	w, x, y, and z are integers. If z > y > x > w, is |w| > x^2	Difficulty: 700-Level, Absolute Values/Modulus, Inequalities, Source: Kaplan
27	In the picture, quadrilateral ABCD is a parallelogram and	Difficulty: 700-Level, Geometry
28	At a restaurant, a group of friends ordered four main dishes	Difficulty: 700-Level, Min/Max Problems, Source: Manhattan GMAT
29	The numbers D, N, and P are positive integers, such that D < N, and N	Difficulty: 700-Level, Exponents/Powers, Number Properties, Source: Magoosh
30	If a, b, and c are positive integers such that 1/a + 1/b = 1	Difficulty: 700-Level, Fractions/Ratios/Decimals, Inequalities, Source: Manhattan GMAT
31	A cube is made up of equal smaller cubes. Two of the sides	Difficulty: 700-Level, Geometry
32	Three employees, A, B and C, clean a certain conference room each day.	Difficulty: 700-Level, Work/Rate Problems, Source: Other - Please specify
33	Is 1/(x-y) < y - x	Difficulty: 700-Level, Inequalities
34	A newer machine, working alone at its constant rate	Difficulty: 700-Level, Work/Rate Problems, Source: Veritas Prep
35	Is y^2 + 7y + xy even?	Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties
36	Maria drove a distance without stopping such that she covered first	Difficulty: 700-Level, Distance/Rate Problems, Source: Other - Please specify
37	W, X, Y, and Z represent distinct digits such that WX * YZ = 1995. Wha	Difficulty: 700-Level, Number Properties, Source: Veritas Prep
38	The number of elements in set K is an odd number. The minimum value of	Difficulty: 700-Level, Statistics and Sets Problems, Source: Math Revolution
39	A natural number p, when divided by a certain divisor q, gives	Difficulty: 700-Level, Number Properties, Remainders, Source: Jamboree
40	A certain ride has 60 people standing in line awaiting admission. If	Difficulty: 700-Level, Overlapping Sets, Source: Other - Please specify
41	If x, y, and z are integers, and x < y < z, is z y = y	Difficulty: 700-Level, Statistics and Sets Problems, Source: Manhattan GMAT
42	A set of positive integers contains twice as many even integers as odd	Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Probability
43	In a group of 80 college students, how many own a car?	Difficulty: 700-Level, Overlapping Sets, Source: Magoosh
44	How many prime factors does positive integer n have?	Difficulty: 700-Level, Number Properties, Source: Veritas Prep
45	If a, b, and c are integers such that 0 < a < b < c < 10, is	Difficulty: 700-Level, Divisibility/Multiples/Factors, Source: Manhattan GMAT
46	Students in a class are arranged to form groups of 4 members each	Difficulty: 700-Level, Remainders, Source: Veritas Prep
47	If a and b are positive integers, what is the remainder when ab is	Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Remainders, Source: Manhattan GMAT
48	If x, y, and z are all distinct positive integers and the percent	Difficulty: 700-Level, Algebra, Number Properties, Percent and Interest Problems, Source: Manhattan GMAT
49	Between 1980 and 1985, Pierre’s investment portfolio increas	Difficulty: 700-Level, Percent and Interest Problems, Source: Princeton Review
50	A red box contains 7 ropes, with an average length of 60 cm per rope,	Difficulty: 700-Level, Arithmetic, Min/Max Problems, Source: Other - Please specify
51	If pqr s is a four-digit number, where p, q, r and s are the digits,	Difficulty: 700-Level, Divisibility/Multiples/Factors, Fractions/Ratios/Decimals, Source: Other - Please specify
52	If x is positive, what is the value of |x – 3| – 2|x – 4| +	Difficulty: 700-Level, Absolute Values/Modulus, Inequalities, Source: Manhattan GMAT
53	Is |2a − 3b| < |a − b| + |a − 2b|	Difficulty: 700-Level, Absolute Values/Modulus
54	Is x^3 - 6x^2 + 11x - 6 < 0	Difficulty: 700-Level, Inequalities
55	If a, b, x, y are positive integers and a^xb^y= 144, then a + b = ?	Difficulty: 700-Level, Algebra, Exponents/Powers, Source: Math Revolution
56	A three digit number A with hundreds digit a, tens digit b and units	Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Source: Jamboree
57	Reiko drove from point A to point B at a constant speed, and	Difficulty: 700-Level, Distance/Rate Problems, Source: Manhattan GMAT
58	If a and b are two-digit positive integers greater than 10	Difficulty: 700-Level, Remainders, Source: GMAT Club Tests
59	a, b, and c are three integers such that a and b are less than 100, an	Difficulty: 700-Level, Number Properties, Sequences
60	In the correctly-worked multiplication problem above, each symbol repr	Difficulty: 700-Level, Arithmetic, Number Properties, Source: Veritas Prep
61	If n >2 and n^4-5n^2+4 = 20h, Is h an integer ?	Difficulty: 700-Level, Algebra, Arithmetic, Source: Other - Please specify
62	The area of a rectangle is 28 square centimeter. What is the perimeter	Difficulty: 700-Level, Algebra, Geometry
63	x, y are positive integers. Find the number of even factors of 4x^2	Difficulty: 700-Level, Divisibility/Multiples/Factors, Source: e-GMAT
64	If you are buying a product by rounding up to a $1 digit, is the sum o	Difficulty: 700-Level, Algebra, Arithmetic, Percent and Interest Problems, Poor Quality, Source: Math Revolution
65	Is the exact value of x/y less than 0.5?	Difficulty: 700-Level, Fractions/Ratios/Decimals, Source: Economist GMAT Tutor
66	If N is a positive three-digit number that is greater than 2	Difficulty: 700-Level, Fractions/Ratios/Decimals, Number Properties, Source: Manhattan GMAT
67	If a, b and c are distinct positive integers, what is the value of (a	Difficulty: 700-Level, Exponents/Powers, Source: Other - Please specify
68	A committee of 2 people is to be formed from a group of 8	Difficulty: 700-Level, Probability
69	w, x, y and z are positive integers such that y < z < x < w.	Difficulty: 700-Level, Remainders, Source: GMATPrepNow
70	In the xy-coordinate plane, line L passes through the points (b, a) an	Difficulty: 700-Level, Coordinate Geometry, Source: Manhattan GMAT
71	In the xy-coordinate plane, line A is defined by the equation j*x-y=-7	Difficulty: 700-Level, Coordinate Geometry, Source: GMAT Prep
72	Set X consists of 9 positive elements. Set Y consists of the	Difficulty: 700-Level, Statistics and Sets Problems
73	In a sequence of 13 consecutive integers, all of which are	Difficulty: 700-Level, Divisibility/Multiples/Factors, Sequences
74	Is A + B + C even?	Difficulty: 700-Level, Number Properties, Source: GMAT Club Tests
75	For positive integers n and m (n>m), is the average (arithmetic mean)	Difficulty: 700-Level, Number Properties, Statistics and Sets Problems, Source: Math Revolution
76	If x and y are negative numbers, is x<y?	Difficulty: 700-Level, Inequalities, Source: GMAT Club Tests
77	If a and b are both positive integers, is b^(a+1) - ba^b odd?	Difficulty: 700-Level, Algebra, Number Properties, Source: Manhattan GMAT
78	If 5a=9b=15c, what is the value of a+b+c?	Difficulty: 700-Level, Algebra
79	A dental licensure exam requires a 75% minimum score in orde	Difficulty: 700-Level, Fractions/Ratios/Decimals, Word Problems, Source: Veritas Prep
80	Points A, B, C and D lie on a circle of radius 1. Let x be	Difficulty: 700-Level, Geometry
81	If 6xy = x^2*y + 9y, what is the value of xy?	Difficulty: 700-Level, Algebra, Source: Manhattan GMAT
82	How many subordinates does Marcia have?	Difficulty: 700-Level, Combinations
83	At a particular store, candy bars are normally priced at $1.	Difficulty: 700-Level, Word Problems, Source: Manhattan GMAT
84	X is a three-digit positive integer in which each digit is either 1 or	Difficulty: 700-Level, Fractions/Ratios/Decimals, Remainders, Source: Manhattan GMAT
85	R is a convex polygon. Does R have at least 8 sides?	Difficulty: 700-Level, Geometry
86	If x is a positive integer greater than 1, is x a prime numb	Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Source: GMAT Club Tests
87	If x and y are integers and -x < y < x, does (x^2 - y^2)^(1/2) = x + y	Difficulty: 700-Level, Absolute Values/Modulus, Algebra, Coordinate Geometry, Number Properties, Source: GMAT Club Tests
88	Four friends go to Macy’s for shopping and buy a top each. Three of th	Difficulty: 700-Level, Word Problems, Source: Veritas Prep
89	Is the integer 2b divisible by 6 ?	Difficulty: 700-Level, Divisibility/Multiples/Factors
90	If m, n, and p are three-digit integers and m + n = p	Difficulty: 700-Level, Number Properties, Source: Manhattan GMAT
91	Each block from bin A is 4 inches tall, while each block from bin B is	Difficulty: 700-Level, Algebra, Arithmetic, Min/Max Problems, Source: Other - Please specify
92	If a, b and n are positive integers such that n = 3a – b3	Difficulty: 700-Level, Number Properties, Source: e-GMAT
93	A certain salesman's yearly income is determined by a base salary plus	Difficulty: 700-Level, Percent and Interest Problems, Word Problems, Source: Manhattan GMAT
94	In the figure above, SQRE is a square, AB = AC, and AS = AQ.	Difficulty: 700-Level, Geometry, Source: Manhattan GMAT
95	In the trapezoid above, with sides a, b, c, and 1, what is the value o	Difficulty: 700-Level, Geometry, Source: Manhattan GMAT
96	If x and y are nonzero integers, is (x^(-1) + y^(-1))^(-1) >	Difficulty: 700-Level, Exponents/Powers, Inequalities, Source: Manhattan GMAT
97	What is the value of |(x+5)/(x+7)|	Difficulty: 700-Level, Absolute Values/Modulus, Algebra, Source: Other - Please specify
98	If x, y, and z are positive integers, and (x!+x)/z=y, then	Difficulty: 700-Level, Algebra, Divisibility/Multiples/Factors, Number Properties
99	When 3-digit integer 6a3 plus 3-digit integer 3b5 is divisible by 9, i	Difficulty: 700-Level, Divisibility/Multiples/Factors, Source: Math Revolution
100	8 schools sent a total of 96 students to a math club competition, with	Difficulty: 700-Level, Min/Max Problems, Source: Veritas Prep
101	A rectangle is plotted on the standard coordinate plane	Difficulty: 700-Level, Coordinate Geometry, Source: Grockit
102	ax + by=10, ay + bx=12. which one is greater here, x or y ?	Difficulty: 700-Level, Inequalities
103	In the sequence a1,a2,…,an,…,a1=x and an=y–zan−1 for all n>1. Is a3>a2	Difficulty: 700-Level, Sequences, Source: Veritas Prep
104	A certain diet program calls for eating daily calories from	Difficulty: 700-Level, Word Problems, Source: GMAT Paper Tests
105	Superfast train A leaves Newcastle for Birmingham at 3 PM and travels	Difficulty: 700-Level, Distance/Rate Problems, Source: Veritas Prep
106	Is xy<0 ? (1) x^3*y^5/x*y^2 <0 (2) |x|-|y|<|x-y	Difficulty: 700-Level, Absolute Values/Modulus, Inequalities
107	If xy 0, is x > y? (1) 4x = 3y (2) |y - x| = x - y	Difficulty: 700-Level, Absolute Values/Modulus, Inequalities
108	A circle is drawn on a coordinate plane. If a line is drawn	Difficulty: 700-Level, Geometry, Source: Manhattan GMAT
109	In triangle ABC (figure shown) drawn on a coordinate plane, A, B and C	Difficulty: 700-Level, Coordinate Geometry, Source: Other - Please specify
110	Is n/18 an integer?	Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Source: Manhattan GMAT
111	Of all the attendees at a dinner party, 40% were women. If	Difficulty: 700-Level, Overlapping Sets
112	What is the value of y?	Difficulty: 700-Level, Algebra, Arithmetic, Roots, Source: Magoosh
113	When a positive integer 'x' is divided by a divisor 'd', the remainder	Difficulty: 700-Level, Divisibility/Multiples/Factors, Remainders, Source: Other - Please specify
114	A drawer contains 6 socks. If two socks are randomly	Difficulty: 700-Level, Probability, Source: GMATPrepNow
115	In the morning, Chris drives from Toronto to Oakville and in the eveni	Difficulty: 700-Level, Distance/Rate Problems, Source: Veritas Prep
116	A certain floor of an office building has 1,200 square feet of floor	Difficulty: 700-Level, Geometry
117	If x and y are positive integers, what is the value of x?	Difficulty: 700-Level, Remainders, Source: GMATPrepNow
118	Jeff is painting two murals on the front of an old apartment	Difficulty: 700-Level, Geometry, Source: Manhattan GMAT
119	Of the 5 numbers, the largest number is 4 greater than the median. Is	Difficulty: 700-Level, Statistics and Sets Problems
120	If x is an integer, what is the value of x?	Difficulty: 700-Level, Absolute Values/Modulus, Source: GMAT Pill
121	In the table above is shown the percent reduction in the	Difficulty: 700-Level, Percent and Interest Problems, Word Problems, Source: Princeton Review
122	If a number N is decreased by p percent and then the resulting value	Difficulty: 700-Level, Algebra, Source: Manhattan GMAT
123	A certain fruit stand sells only apples for $0.26 each, bananas for $0	Difficulty: 700-Level, Word Problems, Source: Veritas Prep
124	Is product 2*x*5*y an even integer?	Difficulty: 700-Level, Number Properties, Source: GMAT Club Tests
125	If x, y, and z are positive integers, where x > y and z = √x	Difficulty: 700-Level, Number Properties, Source: Kaplan
126	a, b, c, d, and e are five numbers such that a≤b≤c≤d≤e and e	Difficulty: 700-Level, Statistics and Sets Problems, Source: Economist GMAT Tutor
127	If m and k are non-zero integers and if y^(m+k) = y^m, what is the	Difficulty: 700-Level, Exponents/Powers, Number Properties
128	If all the N students of a class are classified into groups of either	Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties, Source: e-GMAT
129	If x/y > 2, is 3x + 2y < 18? (1) x - y is less than 2 (2) y - x is les	Difficulty: 700-Level, Inequalities
130	Jane can paint the wall in J hours, and Bill can paint the	Difficulty: 700-Level, Word Problems, Work/Rate Problems
131	A nonprofit group organizes its local fundraisers in teams,	Difficulty: 700-Level, Word Problems, Source: Veritas Prep
132	For any integer n greater than 1, factorial denotes the product of all	Difficulty: 700-Level, Number Properties, Source: e-GMAT
133	If 10^a * 3^b * 5^c = 450^n, what is the value of c?	Difficulty: 700-Level, Number Properties, Source: Veritas Prep
134	Robots K, L and M assemble components at their respective constant res	Difficulty: 700-Level, Fractions/Ratios/Decimals, Inequalities, Source: Other - Please specify
135	In a certain company, 25% of the women and 17% of the men participate	Difficulty: 700-Level, Word Problems, Source: Magoosh
136	If x, y, and z are positive integers such that x < y < z	Difficulty: 700-Level, Divisibility/Multiples/Factors, Number Properties
137	The GMAT is scored on a scale of 200 to 800 in 10 point incr	Difficulty: 700-Level, Statistics and Sets Problems, Word Problems, Source: GMAT Prep
138	A person inherited few gold coins from his father. If he	Difficulty: 700-Level, Remainders, Word Problems
139	If x is an integer between 0 and 10 is y less than the average of x an	Difficulty: 700-Level, Inequalities, Source: Other - Please specify
140	What is the value of p + q + r	Difficulty: 700-Level, Fractions/Ratios/Decimals, Percent and Interest Problems, Poor Quality, Source: Other - Please specify
141	In the figure above, ABC is a right triangle with AC as its hypotenuse	Difficulty: 700-Level, Geometry, Source: Manhattan GMAT
142	If a, b and c are integers such that b > a, is b+c > a	Difficulty: 700-Level, Geometry, Inequalities
143	x is an integer and x raised to any odd integer is greater	Difficulty: 700-Level, Algebra, Exponents/Powers, Source: Official Guide
144	Which of the two values 10^(-2) and 10^(-3), is x more close	Difficulty: 700-Level, Arithmetic, Exponents/Powers
145	A set of nonnegative integers consists of {x, x + 7, 2x, y, y + 5}.	Difficulty: 700-Level, Sequences
146	If x and y are positive integers is y odd?	Difficulty: 700-Level, Algebra, Number Properties, Source: Manhattan GMAT
147	If the original price of an item in a retail store is marked	Difficulty: 700-Level, Percent and Interest Problems, Source: Manhattan GMAT
148	If n is an integer greater than 1 is 3^n-2^n divisible by 35	Difficulty: 700-Level, Divisibility/Multiples/Factors, Exponents/Powers, Number Properties
149	If x and y are positive integers, is x a prime number?	Difficulty: 700-Level, Absolute Values/Modulus, Algebra, Inequalities, Source: GMAT Club Tests
150	The average of a set of 7 integers equal 27. If the smallest number of	Difficulty: 700-Level, Min/Max Problems, Source: Other - Please specify

_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics

Older version of this topic with 100 hardest questions is HERE.
_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics

is there a dump of all these questions rather than click each link?
Bunuel IF not can you please make one as Its very time consuming due to technical problem
thanks!!

Thanks Buñuel for your efforts.[WHITE SMILING FACE]

Sent from my Moto G Play using GMAT Club Forum mobile app

The list is regularly updated so there is no downloadable file.
_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics

answer choices are not showing. Could anyone let me know to view the answers.

Thanks for sharing