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Data Sufficiency (DS)

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715
ER
View first unread post 100 Hardest and easiest questions for DS as of February 2023
Bunuel
19
139886
View first unread post by: bumpbot
16 Nov 2022, 18:37
1360
ER
View first unread post DS Question Directory by Topic and Difficulty
bb
0
415735
View first unread post by: bb
07 Mar 2012, 08:58
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348
ER
View first unread post Data Sufficiency Butler: 2 Questions Every Day
Tags: Difficulty: 700-Level
Go to page: 1, 2
Bunuel
22
82915
View first unread post by: Bunuel
24 Mar 2023, 01:37
28
ER
View first unread post Complete 1000 Data Sufficiency Series (DS-1000 Series)
Bunuel
6
5789
View first unread post by: Bunuel
29 Jan 2023, 14:15
173
ER
View first unread post If N is a positive odd integer, is N prime?
carcass
16
23441
View first unread post by: bumpbot
24 Mar 2023, 20:05
1
ER
View first unread post What is the units digit of 4^n?
Bunuel
3
2245
View first unread post by: bumpbot
24 Mar 2023, 12:36
121
ER
View first unread post The lifetime of all the batteries produced by a certain company in a
vigneshpandi
16
20333
View first unread post by: bumpbot
24 Mar 2023, 12:13
6
ER
View first unread post What is the area of the circle shown above with center O?
carcass
1
1413
View first unread post by: sivakumarm786
24 Mar 2023, 11:03
1
ER
View first unread post If m and b are constants and, in the xy-plane, line l has equation y =
Bunuel
3
528
View first unread post by: Bunuel
24 Mar 2023, 09:37
5
ER
View first unread post Is x > 0 ? (1) |x – 5| = 7x + 2 (2) |x – 3| = |15x – 3|
Bunuel
2
2108
View first unread post by: bumpbot
24 Mar 2023, 09:18
6
ER
View first unread post Is 1/a>1/b?
MathRevolution
5
1695
View first unread post by: bumpbot
24 Mar 2023, 08:36
5
ER
View first unread post In the coordinate plane, circle C has radius r and its center is at po
rakshitsood21
3
1368
View first unread post by: IanStewart
24 Mar 2023, 07:44
62
ER
View first unread post a = x + y and b = x - y. If a^2 = b^2, what is the value of
eybrj2
9
7327
View first unread post by: bumpbot
24 Mar 2023, 06:46
52
ER
View first unread post If x and y are positive, is x^(1/2) + y^(1/2) > 1?
Bunuel
9
4370
View first unread post by: bumpbot
24 Mar 2023, 06:17
251
ER
View first unread post In the rectangular coordinate system, are the points (r,s) and (u,v)
calvinhobbes
17
29549
View first unread post by: bumpbot
24 Mar 2023, 05:44
15
ER
View first unread post If x, y, and z are positive integers such that x < y < z, is x a facto
Bunuel
9
3445
View first unread post by: bumpbot
24 Mar 2023, 04:51
18
ER
View first unread post In the sequence a1,a2,a3,…, an,an is determined for all values of n>2
Bunuel
8
6441
View first unread post by: bumpbot
24 Mar 2023, 04:30
3
ER
View first unread post Is f(n) > f(n−1)? (1) n = 8 (2) f(n) = n−1
Bunuel
6
1979
View first unread post by: bumpbot
24 Mar 2023, 03:42
11
View first unread post P, Q, R are three distinct positive numbers. Which is the greatest
amanvermagmat
6
1497
View first unread post by: bumpbot
24 Mar 2023, 03:41
49
ER
View first unread post If xy ≠ 0, is x^y > 0 ?
Bunuel
11
8553
View first unread post by: bumpbot
24 Mar 2023, 03:02
ER
View first unread post What percent of 150 is r? (1) The ratio of r to 210 is 1 : 7
Bunuel
1
77
View first unread post by: sivakumarm786
24 Mar 2023, 02:54
1
ER
View first unread post On a certain test, did more than 1/5 of the students score above 80?
Bunuel
1
66
View first unread post by: sivakumarm786
24 Mar 2023, 02:50
11
ER
View first unread post Product of three distinct positive integers p, q and r is 120.
Dillesh4096
3
2828
View first unread post by: bumpbot
24 Mar 2023, 02:09
16
ER
View first unread post If n is an integer, xy ≠ 0, and x^n
BrentGMATPrepNow
8
3017
View first unread post by: bumpbot
24 Mar 2023, 01:29
488
ER
View first unread post Jill has applied for a job with each of two different companies. What
AbdurRakib
30
50829
View first unread post by: Ceekey
24 Mar 2023, 00:20
ER
View first unread post If uv < 0, is u^99v^100 < 0 ? (1) u < 0 (2) v > 0
Bunuel
1
98
View first unread post by: gmatophobia
23 Mar 2023, 23:58
42
ER
View first unread post In the figure above, P and Q are centers of two identical circles. Is
stunn3r
18
7833
View first unread post by: bumpbot
23 Mar 2023, 14:09
147
ER
View first unread post If a and b are integers, and b > 0, does (a - 1)/(b + 1) = a/b ?
Bunuel
17
30058
View first unread post by: Ceekey
23 Mar 2023, 12:26
11
ER
View first unread post The lengths of two sides of a certain triangle are 3 and 9. What is th
MathRevolution
4
3563
View first unread post by: bumpbot
23 Mar 2023, 11:34
18
ER
View first unread post Given A + B = 5. Is A > B?
101mba101
5
6540
View first unread post by: bumpbot
23 Mar 2023, 10:25
7
ER
View first unread post If a and b are positive integers
Shawshank
3
5889
View first unread post by: bumpbot
23 Mar 2023, 09:56
309
ER
View first unread post What is the value of x + y in the figure above?
Walkabout
12
44777
View first unread post by: bumpbot
23 Mar 2023, 09:55
1
ER
View first unread post In the circle above, chord AC = 26. What is the area of the circle?
Bunuel
1
139
View first unread post by: prachisaraf
23 Mar 2023, 09:42
ER
View first unread post Is x^y < 1 ? (1) x > 1 (2) y < 1
Bunuel
0
89
View first unread post by: Bunuel
23 Mar 2023, 09:30
6
ER
View first unread post Is quadrilateral MNPQ a rectangle?
dheeraj24
10
6406
View first unread post by: Bunuel
23 Mar 2023, 09:20
9
ER
View first unread post If n is a positive integer, is (1/2)^n > 0.125 ?
Bunuel
13
1913
View first unread post by: bumpbot
23 Mar 2023, 08:15
ER
View first unread post At a certain fiorist shop, roses can be purchased either individually
Bunuel
0
63
View first unread post by: Bunuel
23 Mar 2023, 07:30
23
View first unread post The amount of coal a train burns each mile is directly propo
gmatmathguy123
7
10712
View first unread post by: Jitesh8
23 Mar 2023, 06:44
266
ER
View first unread post If u(u+v) <> 0 and u > 0 is 1/(u + v) < 1/u + v ?
PrashantPonde
22
27574
View first unread post by: bumpbot
23 Mar 2023, 06:40
ER
View first unread post What is the value of a positive integer n if 2, 3 and 5 are the only
Bunuel
2
144
View first unread post by: RICHA1189
23 Mar 2023, 06:34
2
ER
View first unread post If xy = 7, what is xy(x + y)^2 ? (1) x^2 + y^2 = 3 (2) x^2 = 1
Bunuel
2
170
View first unread post by: Jitesh8
23 Mar 2023, 06:20
ER
View first unread post A farmer who grows strawberries defines a "workday yield" as the numbe
Bunuel
0
95
View first unread post by: Bunuel
23 Mar 2023, 05:30
12
ER
View first unread post If a^n ≠ 0 and n is a positive integer, is n odd?
jellybean23
5
3499
View first unread post by: bumpbot
23 Mar 2023, 05:13
ER
View first unread post Brian drives a certain part of his journey at an average speed of 30
Bunuel
0
67
View first unread post by: Bunuel
23 Mar 2023, 03:30
1
ER
View first unread post The level of water in a reservoir decreased over a three-month period.
Bunuel
1
85
View first unread post by: sivakumarm786
23 Mar 2023, 02:57
1
ER
View first unread post At a certain school, 2/3 of the students have a driver's license.
Bunuel
1
102
View first unread post by: sivakumarm786
23 Mar 2023, 02:51
70
ER
View first unread post What is the remainder when the positive integer n is divided by 6?
co801dw
11
35310
View first unread post by: Ashu9876
23 Mar 2023, 00:41
3
ER
View first unread post If x and y are positive integers greater than 1, is the unit digit of
ChandlerBong
2
175
View first unread post by: SaquibHGMATWhiz
22 Mar 2023, 23:08
421
ER
View first unread post The sequence s1, s2, s3, ..., sn, ... is such that Sn = 1/n - 1/(n+1)
Bunuel
11
53157
View first unread post by: bumpbot
22 Mar 2023, 22:57
1
ER
View first unread post Some milk was added to each of the 5 cans. If standard deviation of
Bunuel
2
129
View first unread post by: Ashu9876
22 Mar 2023, 22:50
169
ER
View first unread post If the average (arithmetic mean) of four different numbers is 30, how
kook44
13
62123
View first unread post by: bumpbot
22 Mar 2023, 19:30
9
ER
View first unread post What is the value of r/2 + s/2 ? (1) (r + s)/2 = 5 (2) r + s = 10
Bunuel
5
16356
View first unread post by: bumpbot
22 Mar 2023, 18:06
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