100 Hardest and easiest questions for DS as of September 2023 #Announcements
Nov 16, 2022
Ku: 743 ER Re: 19DS Question Directory by Topic and Difficulty #Announcements
Mar 7, 2012
Ku: 1390 ER Re: 0Data Sufficiency Butler: 2 Questions Every Day
1 hr
Ku: 372 ER Re: 6Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions
Jan 29 at 02:15pm
Ku: 35 ER Re: 6What is the greatest common divisor of two positive integers x and y?
1 hr
Ku: 0 ER Re: 0What is the thousandths digit of the decimal d? (1) The tenths digit
1 hr
Ku: 0 ER Re: 0What is the remainder when the positive integer N is divided by 2?
3 hrs
Ku: 0 ER Re: 0If x, y, and z are positive integers, what is the value of x?
Sep 29 at 05:15am
Ku: 0 ER Re: 0If the arithmetic mean of a set of n measurements was found to be
Sep 29 at 01:30am
Ku: 1 ER Re: 0The only contents of a photographic portfolio are 30 photographs and
Sep 28 at 01:30am
Ku: 0 ER Re: 0What is the average (arithmetic mean) of a sequence of N consecutive
Sep 22 at 01:30am
Ku: 0 ER Re: 0What is the total cost of five identical chairs and five identical
Sep 20 at 01:30am
Ku: 0 ER Re: 0What is the average (arithmetic mean) monthly salary of a worker at
Sep 12 at 01:30am
Ku: 0 ER Re: 0A company sells only two kinds of pie: apple pie and cherry pie. What
Sep 4 at 01:30am
Ku: 1 ER Re: 0List A is split into two sub-lists B and C. All the elements of list B
Aug 11 at 09:58pm
Ku: 1 ER Re: 0Let A and B be positive integers. Is (2AB)^{1/2} an integer?
3 hrs
Ku: 0 ER Re: 1What is the sum of a, b, and c ? (1) a:b:c = 3:4:7 (2) c - a = 12
12 hrs
Ku: 0 ER Re: 1If x and y are positive integers and x> y, what is the value of xy^2 +
14 hrs
Ku: 11 ER Re: 116 hrs
Ku: 0 ER Re: 1Is xy < 0? (1) |x + y| < |x| + |y| (2) |x| - |y| < |x y|
18 hrs
Ku: 2 ER Re: 1If Johnny bought candy using nickels ($0.05 coins)
22 hrs
Ku: 7 ER Re: 1Is x|y| = xz? (1) x, y, and z are positive (2) y^2 = z
Yesterday at 08:44am
Ku: 1 ER Re: 1In the coordinate plane, is the x-intercept of the line ax + by + c =
Yesterday at 08:08am
Ku: 7 ER Re: 1Solution A costs $5 per litre and Solution B costs $9 per litre. If p
Yesterday at 06:57am
Ku: 0 Re: 1Sep 29 at 09:42pm
Ku: 2 ER Re: 1Is |s - t| > |s| - |t|? (1) s > t (2) st < 0
Sep 29 at 09:28am
Ku: 0 ER Re: 1If A, B, and C are integers, what is the value of C - B ?
Sep 29 at 01:52am
Ku: 1 ER Re: 1If m and n are positive single-digit numbers such that the units' digi
Sep 28 at 08:11pm
Ku: 0 ER Re: 1In the equation x^2 + 5x + k = 0, k is a constant and x is a variable.
Sep 28 at 08:39am
Ku: 1 ER Re: 1Is 2 < z < 2? (1) z^2 < 4 (2) z^2 > 4
Sep 27 at 10:53pm
Ku: 2 ER Re: 1What is the remainder when 2^k is divided by 10?
Sep 27 at 02:48pm
Ku: 1 ER Re: 1Is x/y an even integer? (1) x is even. (2) y is a factor of x.
Sep 27 at 03:52am
Ku: 2 ER Re: 1Is wp + st > 0? (1) ws + pt > 0 (2) wt + ps > 0
Sep 26 at 11:03pm
Ku: 2 ER Re: 1What is the units digit of positive integer n? (1) When dividing n by
Sep 26 at 09:43am
Ku: 2 ER Re: 1In a certain class of n students, the average
Sep 26 at 08:26am
Ku: 1 ER Re: 1If x and y are integers, is x even? (1) x·y is even. (2) x=6y
Sep 26 at 03:03am
Ku: 2 ER Re: 1When choosing two animals without replacement, what is the probability
Sep 25 at 11:43pm
Ku: 3 ER Re: 1Does x = 7 ? (1) 6 < x < 8 (2) x < 9
Sep 25 at 12:13pm
Ku: 3 ER Re: 1What is the value of x ? (1) x^(4x) = 1 (2) x^(-x) = -1
Sep 25 at 11:51am
Ku: 0 ER Re: 1If b 0, |a/b| = a/b, is b > 0? (1) a > 0 (2) a + b > 0
Sep 24 at 12:44pm
Ku: 0 ER Re: 1If n is an integer, is n!/(n - 3)! divisible by 24?
Sep 23 at 10:38pm
Ku: 2 Re: 1If m, n are positive integers, what is the value of mn?
Sep 23 at 08:35am
Ku: 0 ER Re: 1If x 0, what is the value of |x|/x? (1) x < 0 (2) x = -1
Sep 22 at 11:14am
Ku: 0 ER Re: 1What is the value of |a - b|? (1) |a + b| = 10 (2) |a^2 - b^2| = 20
Sep 22 at 08:48am
Ku: 0 ER Re: 1What is the average (arithmetic mean) weight of the five elephants in
Sep 21 at 11:15pm
Ku: 1 ER Re: 1What is the standard deviation of set X, which contains consecutive
Sep 21 at 09:06pm
Ku: 3 ER Re: 1Is |x + y| = |x| + |y|? (1) xy > 0 (2) x < 0
Sep 21 at 05:27am
Ku: 1 ER Re: 1Sep 20 at 09:46pm
Ku: 1 ER Re: 1If x^2 - y^2 = 1, what is the value of x? (1) x + y = 1/2 (2) y^2 = 9
Sep 20 at 02:24pm
Ku: 0 ER Re: 1If x and y are positive integers and x < y, what is the value of x?
Sep 20 at 01:14pm
Ku: 0 ER Re: 1If 2ab is a 3 digit integer, is 2ab divisible by 3?
Sep 20 at 11:37am
Ku: 0 ER Re: 1What is the value of ab ? (1) a^2 + b^2 = 52 (2) a + b = 2
Sep 19 at 03:47am
Ku: 1 ER Re: 10 user online