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: 0For integers a, b, and c, a/(b-c) = 1. What is the value of (b-c)/b?
Sep 18 at 02:29am
Ku: 25 ER Re: 6What is the value of n^2 ? (1) n = |n| (2) |n| = 1
Sep 18 at 02:27am
Ku: 1 ER Re: 1For all numbers p and q (where p 0 ), the operation $ is defined as
Sep 17 at 06:31pm
Ku: 3 ER Re: 1What is the value of s ? (1) |s| = 5 (2) s = |s|
Sep 17 at 12:53pm
Ku: 2 ER Re: 2Is the number of workers required to create w1 widgets at r1 widgets
Sep 17 at 10:44am
Ku: 11 ER Re: 4If a, b, and c are integers, is (a + b)^2 + c(a^2+b^2) an even number?
Sep 17 at 09:52am
Ku: 3 ER Re: 2Does x + y = 0? (1) xy < 0 (2) x^2 = y^2
Sep 17 at 08:58am
Ku: 13 ER Re: 8What is the value of (2^x + 2^x)/2^y ?
Sep 17 at 07:19am
Ku: 10 ER Re: 6Is m/n > 0? (1) m + n > 0 (2) mn > 0
Sep 17 at 06:34am
Ku: 0 ER Re: 2Merle's spare change jar has exactly 16 U.S. coins, each of which is a
Sep 17 at 03:31am
Ku: 159 ER Re: 10At the end of 2004, a certain farm had 24 hens, 12 cows, 30
Sep 17 at 12:50am
Ku: 36 ER Re: 7If the operation ∆ is one of the four arithmetic operations addition
Sep 16 at 11:39pm
Ku: 159 ER Re: 1564 candidates are competing for 5 positions at a consulting
Sep 16 at 11:35pm
Ku: 71 ER Re: 13For all integers n, n* = n(n – 1). What is the value of x* w
Sep 16 at 11:04pm
Ku: 25 ER Re: 12A jewelry dealer initially offered a bracelet for sale at an
Sep 16 at 11:02pm
Ku: 103 ER Re: 8If x and y are integers, is the sum of x and y even?
Sep 16 at 09:35pm
Ku: 6 ER Re: 16The original price of a computer was increased by x% to reach its
Sep 16 at 09:20pm
Ku: 4 ER Re: 3Is x - y > r - s ? (1) x > r and y < s (2) y = 2, s = 3, r = 5, and
Sep 16 at 08:03pm
Ku: 77 ER Re: 3At a certain college , students can major in science , maths , history
Sep 16 at 07:55pm
Ku: 14 ER Re: 6If p is a positive odd integer, what is the remainder when p is divide
Sep 16 at 06:46pm
Ku: 528 ER Re: 9Sep 16 at 06:27pm
Ku: 5 ER Re: 6If m and n are positive integers, what is the value of m + n?
Sep 16 at 05:28pm
Ku: 11 ER Re: 9What is the value of x ? (1) 4^(x + 1) + 4^x = 320 (2) x^2 = 9
Sep 16 at 02:53pm
Ku: 25 ER Re: 4If S is the sum of the first n positive integers, what is the value of
Sep 16 at 02:34pm
Ku: 136 ER Re: 18What was the percent increase in the population of City K from 1980 to
Sep 16 at 02:22pm
Ku: 161 ER Re: 9Sep 16 at 12:33pm
Ku: 26 ER Re: 5Sep 16 at 12:01pm
Ku: 30 ER Re: 12What is the value of xy? (1) y = x - 1 (2) y^2 = -|x - 1|
Sep 16 at 11:32am
Ku: 2 ER Re: 2If a b c d is a 20? (1) a + b + c + d = 170 (2) 5a 2d
Sep 16 at 11:28am
Ku: 3 ER Re: 2Two cars are racing along two concentric circular paths. What is the r
Sep 16 at 07:51am
Ku: 7 ER Re: 5Is |x| = y + 1? (1) y + x = -1 (2) x < 0
Sep 16 at 07:41am
Ku: 0 ER Re: 1The 3 sides of an isosceles triangle are 6,a and b(in cm), out of whic
Sep 16 at 07:06am
Ku: 6 ER Re: 3Does the integer p have an odd number of distinct factors?
Sep 16 at 06:59am
Ku: 18 ER Re: 7A gym that sold only individual and family memberships charged $500
Sep 16 at 06:38am
Ku: 1 ER Re: 2At a certain university recreation center, a member can receive a 30-m
Sep 16 at 03:54am
Ku: 42 ER Re: 10Given ‘a’ and ‘b’ are positive integers, is the number b^2+7b+ab even?
Sep 16 at 03:42am
Ku: 5 ER Re: 3If x is a positive integer greater than 1, what is the value of x?
Sep 16 at 02:09am
Ku: 1 ER Re: 2What is the total number of positive factors of a?
Sep 16 at 01:06am
Ku: 17 ER Re: 5If a, b are positive integers (b1), is a/b < 1/10?
Sep 15 at 11:32pm
Ku: 5 ER Re: 2If n is an integer, is n even?
Sep 15 at 09:54pm
Ku: 47 ER Re: 9Yesterday, Nan parked her car at a certain parking garage
Sep 15 at 08:19pm
Ku: 33 ER Re: 10If pq/10 is an integer, is p/5 an integer? (1) q/2 is an integer
Sep 15 at 06:06pm
Ku: 6 ER Re: 8Pat bought 5 pounds of apples. How many pounds of pears could he have
Sep 15 at 10:45am
Ku: 192 ER Re: 16A group of students, each of whom has prepared a presentation, is
Sep 15 at 10:23am
Ku: 52 ER Re: 7A pumpkin patch contains x pumpkins that weigh 10 pounds each and y
Sep 15 at 08:36am
Ku: 18 ER Re: 12If x and y are integers, is x + y an odd number?
Sep 15 at 08:01am
Ku: 0 ER Re: 2Sep 15 at 07:59am
Ku: 9 ER Re: 7Is 2x > x^2 ? (1) 0 x^2 9 (2) x is an odd prime
Sep 15 at 07:41am
Ku: 3 ER Re: 3Is -3 < x < 4? (1) -2 < x < 3 (2) -4 < x < 4
Sep 15 at 07:30am
Ku: 2 ER Re: 3What is the value of x ? (1) The variable x is an integer.
Sep 15 at 06:52am
Ku: 2 ER Re: 10 user online