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: 0If x and y are positive numbers, is y/x < 6/11 ?
Apr 14 at 07:58am
Ku: 0 ER Re: 1There are 30 consecutive integers. What is the sum of the integers?
Apr 14 at 07:58am
Ku: 7 ER Re: 4If x and y are positive integers and n = 5^x + 7^(y + 3), what is the
Apr 14 at 07:47am
Ku: 12 ER Re: 5Is x greater than y? (1) x - y^2 >0 (2) xy < 0
Apr 14 at 07:03am
Ku: 9 ER Re: 4Is 7^x > 350? (1) 7^(x+1) > 400 (2) 7^(x-1) > 50
Apr 14 at 06:51am
Ku: 3 ER Re: 3If xy > 0, is (5^x)^(1/y) > 25 ?
Apr 14 at 06:50am
Ku: 14 ER Re: 5If AB = 5cm, is the perimeter △ABC > 20cm? (1) BC = 13cm (2) 10cm < A
Apr 14 at 05:35am
Ku: 4 ER Re: 2If x and y are integers, is 3x^2 + 5x + y an even number?
Apr 14 at 05:15am
Ku: 0 ER Re: 1If the highest observation in the set S is 3 standard deviations above
Apr 14 at 03:13am
Ku: 3 ER Re: 1At the elite university, 500 students study Computer Science or Electr
Apr 14 at 02:48am
Ku: 2 ER Re: 3Line L is perpendicular to line K whose equation is 3y = 4x + 12; Line
Apr 14 at 02:13am
Ku: 35 ER Re: 9If p, q, and r are positive integers and p^4 + q^5 = r^4, is
Apr 14 at 02:11am
Ku: 2 Re: 1If triangle ABC is an isosceles triangle
Apr 13 at 11:43pm
Ku: 8 ER Re: 11In the xy-plane shown, the shaded region consists of all points that
Apr 13 at 10:12pm
Ku: 694 ER Re: 34If a and b are positive, what is the value of a b?
Apr 13 at 07:35pm
Ku: 6 ER Re: 2In the xy- plane, does the point (4, 12) lie on the line K ?
Apr 13 at 06:02pm
Ku: 30 ER Re: 5If a and b are integers, is a^2 + b^3 an odd number ?
Apr 13 at 12:50pm
Ku: 0 ER Re: 1If x, y, and z are the lengths of the three sides of a triangle, is y
Apr 13 at 09:28am
Ku: 61 ER Re: 5If x and y are integers, is y an even number?
Apr 13 at 08:25am
Ku: 1 ER Re: 1Is (x-y)*(x+y) an even integer? (1) x and y are integers (2)
Apr 13 at 08:23am
Ku: 5 ER Re: 4When 1,000 children were inoculated with a certain vaccine,
Apr 13 at 07:48am
Ku: 144 ER Re: 19Is a positive? (1) a^6 > a (2) a^5 > a
Apr 13 at 07:15am
Ku: 7 ER Re: 3If 2 different representatives are to be selected at random from a gro
Apr 13 at 06:19am
Ku: 443 ER Re: 31If a and b are positive integers, what is the remainder when 74a+b is
Apr 13 at 05:29am
Ku: 10 Re: 4At a certain stand, all soft drinks cost the same and all sandwiches
Apr 13 at 05:25am
Ku: 3 ER Re: 2If ▢ and △ represent digits, is the 5-digit number 14,2▢△ divisible
Apr 13 at 05:22am
Ku: 19 ER Re: 8If (a*b)*c implies (a + b) is a multiple of c, is [m*(−n)]*12? (1) m
Apr 13 at 05:18am
Ku: 5 ER Re: 3Is x/y greater than 1 ? (1) x > 3 (2) y > 3
Apr 13 at 05:16am
Ku: 3 ER Re: 3A display case contains a certain number of donuts, some chocolate, so
Apr 13 at 05:08am
Ku: 4 ER Re: 4HOT Competition: Is |x+y| > |x-y| ? (1) |x| > |y| (2) |x - y| < |x|
Apr 13 at 02:50am
Ku: 64 ER Re: 15Red, white, blue, and black balls are arranged in a row such that the
Apr 13 at 02:33am
Ku: 3 ER Re: 2<x> is defined to be the smallest integer greater than or equal to x.
Apr 13 at 02:30am
Ku: 3 ER Re: 3What is the value of x + y? (1) x^2 + y^2 = 5 (2) xy = 2
Apr 13 at 02:22am
Ku: 3 ER Re: 2If m and n are positive integers, is n a multiple of 24?
Apr 13 at 02:14am
Ku: 4 ER Re: 6Is |x - y| < |x - z|? (1) |y| < |z| (2) x < 0
Apr 13 at 01:12am
Ku: 0 ER Re: 4x = 0.57y9. If y denotes the thousandth digit in the decimal represent
Apr 13 at 12:07am
Ku: 3 ER Re: 6On a recent trip, Mary drove 50 miles. What was the average
Apr 12 at 11:15pm
Ku: 43 ER Re: 13Is pqr > 0 ? (1) pq > 0 (2) q/r < 0
Apr 12 at 09:14pm
Ku: 9 ER Re: 12If p, q, and r are integers, is pq + r even?
Apr 12 at 08:40pm
Ku: 23 ER Re: 13What is the median value of a list of 5 data values?
Apr 12 at 10:34am
Ku: 0 ER Re: 1If x is a positive integer and w is a negative integer, what is the va
Apr 12 at 10:17am
Ku: 50 ER Re: 8Is the quadrilateral ABCD a trapezium? (1) The angles A, B, C, D of q
Apr 12 at 08:02am
Ku: 4 ER Re: 2If a^3b^4c^5 < 0, is abc < 0? (1) a < 0 (2) b > 0
Apr 12 at 05:30am
Ku: 1 ER Re: 2In the figure above, does x = 90?
Apr 12 at 02:02am
Ku: 6 ER Re: 4What is the range of the 6 numbers x, y, 8, 10, 14, and 16 ?
Apr 12 at 12:47am
Ku: 1 ER Re: 1If r and t are positive integers, what is the value of t?
Apr 12 at 12:34am
Ku: 37 ER Re: 7In the figure above, the circles are centered at O(0, 0) and
Apr 11 at 11:12pm
Ku: 159 ER Re: 15Points P, R, M and S lie on the number line shown. The coor
Apr 11 at 09:00pm
Ku: 82 ER Re: 10If the sum of the 7 positive integers is smaller than 12, what is the
Apr 11 at 02:23pm
Ku: 0 ER Re: 1If x is an integer and |x| + x/3 < 5, what is the value of x ?
Apr 11 at 02:10pm
Ku: 0 ER Re: 10 user online