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GMAT Data Sufficiency (DS)

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772
ER
View first unread post 100 Hardest and easiest questions for DS as of April 2024
Bunuel
19
161620
View first unread post by: bumpbot
28 Nov 2023, 14:32
1418
ER
View first unread post DS Question Directory by Topic and Difficulty
bb
0
447714
View first unread post by: bb
07 Mar 2012, 08:58
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Topics
10
ER
View first unread post On Thursday afternoon, two machines, J and R, ran continuously at unif
Bunuel
9
3223
View first unread post by: suryan1991
11 Nov 2020, 11:32
1
ER
View first unread post Is BC || to DF? (1) Angle x + angle y = 180° (2) Angle z = angle w
Bunuel
1
640
View first unread post by: stne
11 Nov 2020, 11:44
16
ER
View first unread post A box contains only white balls, red balls and green balls. What is th
Bunuel
9
11105
View first unread post by: bumpbot
11 Nov 2020, 17:54
8
ER
View first unread post If x is a positive integer, is x^2 + 1 an odd number?
Bunuel
7
1957
View first unread post by: GCMEMBER
13 Nov 2020, 00:25
4
ER
View first unread post If A and B are positive integers, does B have more prime factors than
Bunuel
8
1936
View first unread post by: IanStewart
15 Nov 2020, 13:49
9
ER
View first unread post In the list of numbers {a, b, c}, a is the average (arithmetic mean)
Bunuel
7
2283
View first unread post by: Bunuel
16 Nov 2020, 15:27
ER
View first unread post Is the integer a even? (1) a is divisible by 7 (2) a is divisible by 9
Bunuel
1
479
View first unread post by: rajatchopra1994
17 Nov 2020, 09:25
1
ER
View first unread post If t is a positive integer, is t^3 + 1 an odd number? (1) t is the sma
Bunuel
3
772
View first unread post by: RutuM
17 Nov 2020, 11:38
6
ER
View first unread post If x and y are integers, is x even? (1) (x + 2)(y^2 + 7) is even.
Bunuel
4
1250
View first unread post by: TestPrepUnlimited
17 Nov 2020, 14:16
1
ER
View first unread post If x ≠ –1 and y ≠ ±1, then what is the value of (xy − x)/((x + 1)(y −
Bunuel
3
986
View first unread post by: bumpbot
17 Nov 2020, 16:13
1
ER
View first unread post If x is a positive integer, is x even? (1) x^2 + y^2 = 98 (2) y is od
Bunuel
1
886
View first unread post by: rajatchopra1994
18 Nov 2020, 01:52
12
ER
View first unread post m and n are positive integers. What is the value of m?
Bunuel
5
3520
View first unread post by: bumpbot
18 Nov 2020, 05:20
4
ER
View first unread post If xy ≠ 0. Is x + y = 0 ? (1) x is reciprocal of y. (2) x ≠ 1.
Bunuel
4
2140
View first unread post by: bumpbot
18 Nov 2020, 07:08
1
ER
View first unread post What is the value of the integer x? (1) x^2 = 81. (2) x is a square
Bunuel
3
1176
View first unread post by: akadiyan
18 Nov 2020, 09:39
4
ER
View first unread post In the triangle above, what is the measure of Angle YZX?
Bunuel
5
3453
View first unread post by: SiddharthR
19 Nov 2020, 14:15
34
ER
View first unread post If t, p, and q are different positive integers, how many positive inte
Bunuel
6
5392
View first unread post by: bumpbot
20 Nov 2020, 11:18
8
ER
View first unread post A certain zoo has mammal and reptiles and birds, and no other animals.
Bunuel
10
10745
View first unread post by: bumpbot
20 Nov 2020, 12:24
4
ER
View first unread post What was the ledger balance in the saving bank account on January 31?
Bunuel
5
2015
View first unread post by: IanStewart
21 Nov 2020, 10:38
8
ER
View first unread post Dodgers stadium, which is rectangular in shape, currently has one par
Bunuel
5
1489
View first unread post by: Pallavi2020
21 Nov 2020, 11:22
10
ER
View first unread post For isosceles triangle LMN, what is the measure of angle N?
Bunuel
17
14630
View first unread post by: Basshead
22 Nov 2020, 12:29
ER
View first unread post Is integer q divisible by 6? (1) q = 7^n – 1, where n is a positive
Bunuel
4
1030
View first unread post by: bond001
23 Nov 2020, 04:21
10
ER
View first unread post If m and n are positive integers such that m + n = 9, what is the valu
Bunuel
5
2624
View first unread post by: Basshead
23 Nov 2020, 19:11
3
ER
View first unread post If s + t = 10, what is the value of q – r? (1) r = s (2) tq – sr + s
Bunuel
3
2087
View first unread post by: Basshead
24 Nov 2020, 05:06
3
ER
View first unread post If the expression #(a,b)# is defined to be the sum of a and b divided
Bunuel
3
1192
View first unread post by: TestPrepUnlimited
24 Nov 2020, 20:56
14
ER
View first unread post What is the value of x?
Bunuel
13
6780
View first unread post by: bumpbot
25 Nov 2020, 12:03
10
ER
View first unread post If z is a positive integer, is z^(1/2) an integer?
Bunuel
4
1736
View first unread post by: chetan2u
25 Nov 2020, 20:01
6
ER
View first unread post In a certain mixture of oil and vinegar, additional vinegar was added
Bunuel
4
2936
View first unread post by: bumpbot
26 Nov 2020, 00:42
1
ER
View first unread post Sequence X consists of 825 terms, and each term after the first term
Bunuel
7
3695
View first unread post by: bumpbot
27 Nov 2020, 05:05
7
ER
View first unread post If 3b − |a| = 27, what is the value of b? (1) a^2 = 81 (2) a^3 > 0
Bunuel
4
3670
View first unread post by: xabi14
29 Nov 2020, 06:20
17
ER
View first unread post In the figure above, a rectangle is divided into smaller rectangles
Bunuel
8
4662
View first unread post by: Bunuel
29 Nov 2020, 10:18
3
ER
View first unread post The average (arithmetic mean) of integers r, s, t, u, and v is 100. Ar
Bunuel
3
5003
View first unread post by: ravigupta2912
29 Nov 2020, 22:51
11
ER
View first unread post The nth term, where n > 1, in a sequence S of positive integers is def
Bunuel
6
4237
View first unread post by: bumpbot
01 Dec 2020, 04:40
14
ER
View first unread post Right now, a barrel of water is exactly 40% full of water. What is th
Bunuel
8
6087
View first unread post by: bumpbot
01 Dec 2020, 09:01
1
ER
View first unread post Are x and y consecutive integers? (1) x + y = 15 (2) x – y = 3
Bunuel
5
1085
View first unread post by: bond001
02 Dec 2020, 03:40
9
ER
View first unread post x and y are prime numbers such that 9 < x < 100 and y is the reverse
Bunuel
4
2601
View first unread post by: Samrock
02 Dec 2020, 04:31
5
ER
View first unread post If the average (arithmetic mean) annual income for a group of people
Bunuel
5
2088
View first unread post by: bumpbot
02 Dec 2020, 12:26
17
ER
View first unread post If (x - y)^2 = x^2 - y^2, what is the value of the non-zero integer xy
Bunuel
11
10684
View first unread post by: Basshead
03 Dec 2020, 17:20
3
ER
View first unread post If z is a positive integer, is 75/(z + 1) an integer?
Bunuel
3
1052
View first unread post by: Bunuel
04 Dec 2020, 06:24
4
ER
View first unread post Is x > 5 ? (1) x^2 > 25 (2) 2x + 7 > 0
Bunuel
9
4578
View first unread post by: sanjayparihar16
04 Dec 2020, 12:42
12
ER
View first unread post A candy manufacturer decided to decrease the weight of each candy bar,
Bunuel
11
4837
View first unread post by: bumpbot
05 Dec 2020, 01:26
6
ER
View first unread post If the average of four numbers is 35, how many of the numbers are less
Bunuel
4
4248
View first unread post by: Basshead
05 Dec 2020, 17:23
1
ER
View first unread post If x is a two-digit positive integer, what is the tens' digit of 2x?
Bunuel
2
1848
View first unread post by: bumpbot
06 Dec 2020, 08:45
1
ER
View first unread post Is the smallest of five consecutive integers even?
Bunuel
1
1631
View first unread post by: SangamJena
07 Dec 2020, 02:21
ER
View first unread post What is the value of x? (1) x^2 = 6x - 9 (2) x^2 = x + 6
Bunuel
1
2337
View first unread post by: chetan2u
07 Dec 2020, 03:41
2
ER
View first unread post If A is a positive integer, is A a multiple of 30?
Bunuel
1
786
View first unread post by: Harsh9676
07 Dec 2020, 07:11
1
ER
View first unread post Of the 1200 members of a gym, 150 have student memberships and attend
Bunuel
1
843
View first unread post by: Kinshook
07 Dec 2020, 10:07
3
ER
View first unread post What is the remainder when integer n is divided by 10?
Bunuel
5
2676
View first unread post by: MHIKER
07 Dec 2020, 14:32
12
ER
View first unread post Is DE parallel to BC ? DB = AD. (1) AE = EC (2) DB = EC
Bunuel
8
5063
View first unread post by: bumpbot
08 Dec 2020, 14:00
4
ER
View first unread post If a and b are positive integers, is the product ab odd?
Bunuel
7
3441
View first unread post by: bumpbot
10 Dec 2020, 20:51
4
ER
View first unread post Consider a seven digit integer A,BC7,8DE. If the integer is divisible
Bunuel
7
1322
View first unread post by: DanTe02
13 Dec 2020, 05:40
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