100 Hardest and easiest questions for DS as of March 2023 #Announcements
Nov 16, 2022
Ku: 719 ER Re: 19DS Question Directory by Topic and Difficulty #Announcements
Mar 7, 2012
Ku: 1363 ER Re: 0Complete 1000 Data Sufficiency Series (DS-1000 Series)
Jan 29 at 02:15pm
Ku: 28 ER Re: 6Data Sufficiency Butler: 2 Questions Every Day
2 hrs
Ku: 350 ER Re: 19'abc' is a 3 digit natural number such that 'abc' = a^3 + b^3 + c^3
Oct 4, 2019
Ku: 13 ER Re: 3'PQ' represents a two digit number. What is the remainder when PQ is
Sep 1, 2022
Ku: 0 ER Re: 2‘x’ is a positive integer. Is (x-1)! + 1 divisible by x?
May 4, 2022
Ku: 10 ER Re: 4((x+y+1)/(x+y))((x+z+2)/(x+z))((x+w+3)/(x+w))>8?
Mar 26, 2019
Ku: 2 ER Re: 1Apr 9 at 07:29am
Ku: 55 ER Re: 12(H^2 - 2H)^(1/2) = T(1 - R^2)^(1/2)/(K(1 - g^k)), then 3H =
Aug 6, 2022
Ku: 5 ER Re: 3(K/3)x + Ty = C Kx + 12y = 21 Px + 15y = R (x, y) = (1, 1) is a soluti
Jul 27, 2022
Ku: 3 ER Re: 2(n-x)+(n-y)+(n-z)+(n-k) What is the value of the expression above?
Sep 16, 2022
Ku: 27 ER Re: 5(x - y/3) - (y - x/3) = (1) x – y = 9 (2) x + y = 1
Jul 12, 2019
Ku: 0 ER Re: 2(x-x_1)*(x-x_2)*(x-x_3)........(x-x_n)
Dec 6, 2012
Ku: 0 ER Re: 6Feb 28, 2019
Ku: 3 ER Re: 6(x−1)(1−y)=? (1) x+y=xy (2) x−y=0
Jun 28, 2021
Ku: 7 ER Re: 7[1/a^2+1/a^4+1/a^6+...]>[1/a+1/a^3+1/a^5]
Oct 18, 2010
Ku: 3 ER Re: 2[a] denotes the greatest integer less than or equal to 'a', for any
Jul 26, 2018
Ku: 2 ER Re: 1[m] is defined as the greatest integer less than or equal to m, what i
Apr 2, 2017
Ku: 1 ER Re: 3[x] denotes the greatest integer less than or equal to x.
Apr 1 at 11:59am
Ku: 84 ER Re: 5[x] denotes to be the least integer no less than x. Is [2d]
Apr 25, 2022
Ku: 143 ER Re: 13[x] is the greatest integer less than or equal to x, eg, [1.5]=1. [m]=
Oct 10, 2020
Ku: 0 Re: 1[x] is the least integer greater than or equal to x. If x is not an in
Jan 20, 2022
Ku: 9 ER Re: 6[y] denotes the greatest integer less than or equal to y. Is d < 1?
Dec 16, 2022
Ku: 303 ER Re: 13{x1,x2,x3…x9} and {y1,y2,y3…y9} are two evenly spaced sets having 9 el
Feb 2, 2022
Ku: 3 ER Re: 1<x> is defined to be the smallest integer greater than or equal to x.
Apr 13 at 02:30am
Ku: 3 ER Re: 3# is one operation of addition, subtraction, multiplication, or divisi
May 22, 2016
Ku: 0 ER Re: 2|2a| + |6a + b| = 24, what is the value of 4a + b?
Mar 15, 2022
Ku: 19 ER Re: 4Oct 4, 2022
Ku: 9 ER Re: 4|a-b|=? 1) |a+b|=10 2) |a^2-b^2|=20
Aug 21, 2021
Ku: 2 ER Re: 3Jul 17, 2020
Ku: 3 ER Re: 4Jul 12, 2018
Ku: 3 ER Re: 3Feb 7 at 10:50am
Ku: 88 ER Re: 9|x + 2| = |y + 2| what is the value of x + y ?
Jul 18, 2022
Ku: 135 ER Re: 18Apr 17, 2017
Ku: 13 Re: 13|x|=|2y|, what is the value of x-2y?
Jul 11, 2022
Ku: 151 ER Re: 20△ is one of operations addition, subtraction, multiplication and divis
Dec 19, 2022
Ku: 1 ER Re: 5△ is one operation of addition, subtraction, multiplication, or divisi
Dec 4, 2018
Ku: 1 ER Re: 5$10,000 is deposited in a certain account that pays r percent annual
Sep 15, 2022
Ku: 25 ER Re: 12$150 in prize money is going to be split among 6 contestants in a comp
Nov 24, 2021
Ku: 5 ER Re: 4$20,000 was deposited into bank, with interest compounded quarterly.
Apr 19, 2020
Ku: 3 Re: 1$5000 is invested in one account that pays x percent simple interest p
May 23, 2022
Ku: 6 ER Re: 2Jul 9, 2017
Ku: 0 ER Re: 41/3 of golfers also play tennis, 3/5 of tennis players also surf. 4/7
Aug 10, 2022
Ku: 34 ER Re: 101/p^4 + 1/q^4 = (1) p + q = 12 (2) pq = 35
Oct 21, 2021
Ku: 1 ER Re: 2Jan 16, 2022
Ku: 5 ER Re: 410 + 11 + 12 +...+ x = 5106 What is x?
Aug 22, 2022
Ku: 13 ER Re: 410 children have ordered a total of 17 hamburgers, and each child has
Jan 16, 2021
Ku: 5 ER Re: 810 students took a chemistry exam that was graded on a scale
Nov 7, 2022
Ku: 71 ER Re: 910^a*K + P is divisible by 81. If K, P, a and b are positive integers
Jan 10 at 08:24am
Ku: 4 ER Re: 510, 3, 12, 5, 6, x What is the value of x in the above set of number
Dec 19, 2021
Ku: 3 ER Re: 210, n, 15, x, 18 If the median of the above list is 12, what is the v
Nov 19, 2021
Ku: 2 Re: 10 user online