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: 0Are A, B, and C consecutive integers? C-B = A-B A, B, and C are all i
Apr 3 at 11:48pm
Ku: 15 ER Re: 7At a certain carnival with 800 patrons, 300 of the female patrons like
Apr 3 at 10:52pm
Ku: 1 ER Re: 3If the price of a gallon of milk and a loaf of bread both increased by
Apr 3 at 08:26pm
Ku: 1 ER Re: 9Apr 3 at 07:00pm
Ku: 3 ER Re: 2Is 1/p > r/(r^2 + 2) ? (1) p = r (2) r > 0
Apr 3 at 03:12pm
Ku: 275 ER Re: 17What is the value of |y − 1| ?
Apr 3 at 12:35pm
Ku: 32 ER Re: 4Apr 3 at 11:31am
Ku: 45 ER Re: 4Is x > y > z ? (1) x > y (2) y > z
Apr 3 at 10:56am
Ku: 0 ER Re: 1A farmer who grows strawberries defines a "workday yield" as the numbe
Apr 3 at 09:46am
Ku: 0 ER Re: 1If xy 0, is |x| > |y| (1) x = -2y (2) x = y^4
Apr 3 at 09:05am
Ku: 0 ER Re: 1If x and y are integers between 10 and 99, inclusive, is (x - y)/9 an
Apr 3 at 08:52am
Ku: 110 ER Re: 11The infinite (serial) sequence a1, a2, , an, is such that a1 = x, a
Apr 3 at 07:40am
Ku: 19 ER Re: 9If x and y are integers, is x = y ? (1) x! = y! (2) x^y = x
Apr 3 at 06:48am
Ku: 24 ER Re: 6In the rectangular coordinate system, lines L1 and L2 intersect at poi
Apr 3 at 06:14am
Ku: 2 ER Re: 2In the sequence a1,a2,…,an,…,a1=x and an=y–zan−1 for all n>1. Is a3>a2
Apr 3 at 06:10am
Ku: 36 ER Re: 6Sequence A is defined by the equation An = 3n + 2, where n is an integ
Apr 3 at 06:00am
Ku: 38 ER Re: 10In a sequence of numbers, if the first number is a positive integer an
Apr 3 at 05:53am
Ku: 30 ER Re: 7If a^2 - b^2 = 0, does a = 0? (1) ab = 0 (2) b = -b
Apr 3 at 04:58am
Ku: 11 ER Re: 4If the infinite sequence, M, is defined as M1 = 6, M2 = 96,
Apr 3 at 04:46am
Ku: 18 ER Re: 5Is the point Q on the circle with center C ?
Apr 3 at 04:37am
Ku: 291 ER Re: 17In the infinite sequence S, each term Sn after S2 is equal to the sum
Apr 3 at 04:35am
Ku: 11 ER Re: 11If A and B are two different points on a number line, is 0 between A
Apr 3 at 04:33am
Ku: 2 ER Re: 1The infinite sequence a{1}, a{2}, …, a{n}, … is such that a{
Apr 3 at 02:44am
Ku: 6 ER Re: 6Apr 3 at 02:39am
Ku: 15 ER Re: 4After an attempted breakout at Folsom State Prison, the warden lines
Apr 2 at 11:45pm
Ku: ER Re: 3In the sequence of nonzero numbers t1, t2, t3, , tn, , tn+1
Apr 2 at 10:55pm
Ku: 47 ER Re: 10In ΔABC, point D lies on the side AB between vertices A and B. If CD =
Apr 2 at 09:09pm
Ku: 3 ER Re: 2Is x > 3? (1) The sum of x and the square of x is 12 (2) x^2 > 9
Apr 2 at 07:42pm
Ku: 16 ER Re: 7What is the value of 2x - y? (1) x + y = 12 (2) x - y = 4
Apr 2 at 01:16pm
Ku: 1 ER Re: 3If ∠B, ∠ADB are 90o, A=60o, and C=30o, what is the area of the triangl
Apr 2 at 10:08am
Ku: 3 ER Re: 3When x is divided by 3, the remainder is 2, and when y is divided by 7
Apr 2 at 09:27am
Ku: 14 ER Re: 9In the figure above, PQRT is a rectangle. What is the length of segmen
Apr 2 at 08:34am
Ku: 24 ER Re: 10Is z > 0? (1) (z + 1)(z)(z - 1) < 0 (2) |z| < 1
Apr 2 at 08:07am
Ku: 69 ER Re: 22If a certain animated cartoon consists of a total of 17,280 frames on
Apr 2 at 07:51am
Ku: 61 ER Re: 8Is x < y ? (1) 3^x < 2^y (2) x > 0 and y > 0
Apr 2 at 03:31am
Ku: 3 ER Re: 2If x and y are integers, is xy + 1 divisible by 3 ?
Apr 2 at 03:00am
Ku: 139 ER Re: 12What is the value of integer x?
Apr 2 at 12:46am
Ku: 33 ER Re: 14Lines r and s lie in the xy-plane. Is the y-intercept of lin
Apr 1 at 11:58pm
Ku: 36 ER Re: 17In a certain senior class, 72 percent of the male students and 80 perc
Apr 1 at 07:22pm
Ku: 93 ER Re: 11Is |x| + x < 2? (1) x > -1 (2) x < 0
Apr 1 at 05:13pm
Ku: 2 ER Re: 3If x and y are positive, is x < 10 < y?
Apr 1 at 03:19pm
Ku: 137 ER Re: 15[x] denotes the greatest integer less than or equal to x.
Apr 1 at 11:59am
Ku: 84 ER Re: 5In a certain year, the difference between Mary's and Jim's annual sala
Apr 1 at 09:52am
Ku: 352 ER Re: 35Martha bought several pencils. If each pencil was either a
Apr 1 at 07:12am
Ku: 279 ER Re: 25What is the perimeter of isosceles triangle MNP?
Apr 1 at 07:10am
Ku: 64 ER Re: 6Vertices of a traingle are at (-2,1) , (3,1) & (x,y) on a
Apr 1 at 07:03am
Ku: 50 ER Re: 11What is the perimeter of isosceles triangle LMN?
Apr 1 at 07:02am
Ku: 28 ER Re: 9If x is a positive integer, what is the value of x ?
Apr 1 at 06:10am
Ku: 124 ER Re: 5If m and n are negative, is m/n less than 1?
Apr 1 at 05:03am
Ku: 26 ER Re: 13If P is a prime number and Q is a positive integer, how many factors
Mar 31 at 11:48pm
Ku: 21 ER Re: 170 user online