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: 0Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions
Jan 29 at 02:15pm
Ku: 35 ER Re: 6Data Sufficiency Butler: 2 Questions Every Day
1 hr
Ku: 372 ER Re: 6What is the thousandths digit of the decimal d? (1) The tenths digit
1 hr
Ku: 0 ER Re: 0What is the greatest common divisor of two positive integers x and y?
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: 0Is xy < 0? (1) |x + y| < |x| + |y| (2) |x| - |y| < |x y|
18 hrs
Ku: 2 ER Re: 116 hrs
Ku: 0 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: 1If x, y, and z are positive integers, what is the value of x?
Sep 29 at 05:15am
Ku: 0 ER Re: 0Solution A costs $5 per litre and Solution B costs $9 per litre. If p
Yesterday at 06:57am
Ku: 0 Re: 1Let A and B be positive integers. Is (2AB)^{1/2} an integer?
3 hrs
Ku: 0 ER Re: 1The only contents of a photographic portfolio are 30 photographs and
Sep 28 at 01:30am
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: 0What is the value of |2x - 5y| if 4x - 10y = -16?
16 hrs
Ku: 0 Re: 2If A, B, and C are integers, what is the value of C - B ?
Sep 29 at 01:52am
Ku: 1 ER Re: 1If a, b, c, d, e and f are integers, is their median greater than
Yesterday at 12:37am
Ku: 1 ER Re: 2Sep 29 at 09:42pm
Ku: 2 ER Re: 1If m, n are positive integers, what is the value of mn?
Sep 23 at 08:35am
Ku: 0 ER Re: 1Is |s - t| > |s| - |t|? (1) s > t (2) st < 0
Sep 29 at 09:28am
Ku: 0 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: 1What is the average (arithmetic mean) of a sequence of N consecutive
Sep 22 at 01:30am
Ku: 0 ER Re: 0If a, b, and c are integers and a + bc is even, what is the remainder
Sep 29 at 01:57am
Ku: 4 ER Re: 2Is 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: 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: 1Is |x + y| = |x| + |y|? (1) xy > 0 (2) x < 0
Sep 21 at 05:27am
Ku: 1 ER Re: 1If xy > 0, is x^3y^4 > 0? (1) x > 0 (2) y > 0
Sep 28 at 07:54am
Ku: 1 ER Re: 2If x 0, what is the value of |x|/x? (1) x < 0 (2) x = -1
Sep 22 at 11:14am
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 total cost of five identical chairs and five identical
Sep 20 at 01:30am
Ku: 0 ER Re: 0If 50 - 7 < x < 50 + 7, then what is the value of x?
Sep 25 at 11:36am
Ku: 1 ER Re: 2Is x > 0? (1) x^3 + x^2 + x < 0 (2) x^2 < 1
Sep 27 at 02:41pm
Ku: 0 ER Re: 3What 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: 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 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 + 2y 0, is x/(x + 2y) < 1? (1) 10|x| = |y| (2) x > 0
Sep 27 at 01:10am
Ku: 0 ER Re: 2What is the units digit of positive integer n? (1) When dividing n by
Sep 26 at 09:43am
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 (r^2)x > 0? (1) r^5 = 1 (2) x > 0
Sep 26 at 08:21am
Ku: 0 ER Re: 5Does x = 7 ? (1) 6 < x < 8 (2) x < 9
Sep 25 at 12:13pm
Ku: 3 ER Re: 1If x, y are positive integers, what is the unit digit of 2^(4x + 2) +
Sep 28 at 05:44pm
Ku: 0 ER Re: 2Is 5x + 4y = 9 ? where x and y are integers. (1) xy > 0 (2) x > 0 a
Jun 22 at 07:04am
Ku: 0 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 n divisible by 11 with no remainder?
Yesterday at 07:44am
Ku: 0 Re: 5In a certain class of n students, the average
Sep 26 at 11:50pm
Ku: 2 Re: 2Is a positive integer n a multiple of 6?
Sep 7 at 08:06am
Ku: 0 ER Re: 1If x and y are integers, is x + y an even number?
Sep 14 at 07:32pm
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: 1Is ab > bc? (1) abc = 0 (2) a > c
Sep 18 at 10:49am
Ku: 0 ER Re: 20 user online