Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

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bb

23 Aug 2026, 13:03

1.6k

1

496,538

by: bb

23 Aug 2026, 13:01

Is quadrilateral ABCD a square? (1) ABCD is a rhombus. (2) ABCD is a

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

CareerGeek

20 Jul 2019, 02:19

3

4,058

23 Jul 2019, 00:59

ER

Is |x-z| + |x| = |z|?

705-805 (Hard) | Absolute Values, Inequalities

705-805 (Hard) | Absolute Values, Inequalities hide tags

noTh1ng

29 Jul 2015, 03:28

14

13

4,232

23 Jul 2019, 00:29

Are m and n are co-prime? 1) m and m-n are co-prime 2) HCF (

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

TheUltimateWinner

21 Jul 2019, 13:13

1

1,917

by: nick1816

22 Jul 2019, 18:37

ER

Is quadrilateral ABCD a rectangle? (1) ABCD is a parallelogram.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

CareerGeek

20 Jul 2019, 02:18

1

2,979

by: AndrewN

22 Jul 2019, 11:17

Does x = y ? (1) The average of x and 1/x equals the average of y and

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

22 Jul 2019, 01:59

4

2

1,297

22 Jul 2019, 10:59

Is a > b? (1) a + 1 > b (2) a > b + 1

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

22 Jul 2019, 02:01

2

1,249

by: KSBGC

22 Jul 2019, 04:01

ER

If a > b, how much greater than b is a ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

AbdurRakib

27 Aug 2015, 11:46

3

5

7,463

by: reach2sangram

21 Jul 2019, 22:23

ER

If knz≠0, what is the ratio of k to n? 1) The ratio of k to z is 2 to

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

MathRevolution

28 Mar 2016, 05:00

2

3

6,586

21 Jul 2019, 03:57

Is p greater than 0.3 ? (1) p ≥ 3/10 (2) 3 – 2p < 2.4

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

19 Jul 2019, 01:38

2

1,319

21 Jul 2019, 03:04

Is x + y > 6? (1) x + 2y > 8 (2) 2x + y > 8

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

19 Jul 2019, 01:35

2

4

1,467

21 Jul 2019, 02:14

What is the value of z ? (1) x = 40 (2) y = 20

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

18 Jul 2019, 23:28

3

1

1,288

21 Jul 2019, 01:37

In the figure, BEFC and DCGH are rectangles. Is ABCD a square?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

18 Jul 2019, 23:49

1

1,217

21 Jul 2019, 01:27

Is ABC an equilateral triangle? (1) BD/AD = DC/DB (2) AB^2 + CD^2 =

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

Bunuel

18 Jul 2019, 23:57

6

1

2,163

by: saukrit

21 Jul 2019, 00:07

The sides AC and BC of ∆ABC are parallel, respectively, to the lines

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

18 Jul 2019, 23:41

1

1,234

by: abhishek911

20 Jul 2019, 23:02

ER

In the coordinate system, does the line l pass through the point (1, 2

Sub 505 (Easy) | Coordinate Plane

Sub 505 (Easy) | Coordinate Plane hide tags

Bunuel

19 Jul 2019, 00:48

3

2,038

by: firas92

20 Jul 2019, 21:44

What is the perimeter of a rhombus? (1) Its area is 140 square meter

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

10 Dec 2018, 03:08

8

5

1,875

by: gmatapprentice

20 Jul 2019, 06:49

Is (ab)^2 > ab ? (1) a + 3 = b + 6 = 0 (2) 0 > a > b

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

19 Jul 2019, 01:45

4

1,499

by: vaibhav1221

20 Jul 2019, 03:58

In the figure, O is the center of the circle. What is the length of di

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

18 Jul 2019, 23:22

1

1,287

by: Chethan92

19 Jul 2019, 11:40

Is –3 < x – y < 2 ? (1) 2 < x < 5 (2) 3 < y < 5

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

19 Jul 2019, 01:24

1

1,064

by: madgmat2019

19 Jul 2019, 06:11

Is x + y equal to 3.6 ? (1) x ≥ 1.7 (2) y > 1.9

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

19 Jul 2019, 01:51

2

1,022

by: saurabh9gupta

19 Jul 2019, 05:34

The four small squares placed as shown in the figure form a big square

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

19 Jul 2019, 00:00

1

1,537

by: lacktutor

19 Jul 2019, 00:52

If C is the midpoint of the points A(–3, –4) and B, then AC = (1) B =

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

Bunuel

19 Jul 2019, 00:07

1

2

1,411

by: saurabh9gupta

19 Jul 2019, 00:40

ER

What is the sum of the equal angles of the isosceles triangle RST ?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

18 Jul 2019, 23:38

1

3

1,354

19 Jul 2019, 00:10

A ladder leans against a vertical wall. The base of the ladder is 15

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

18 Jul 2019, 23:42

1

1,711

by: kitipriyanka

18 Jul 2019, 23:51

If x is an integer and x ≠ 31, is (31 - x)/x an integer?

605-655 (Medium) | Algebra +2 tags

605-655 (Medium) | Algebra, Fractions and Ratios, Multiples and Factors hide tags

chetan2u

10 Dec 2017, 08:25

8

6

3,248

by: QuantMadeEasy

18 Jul 2019, 20:06

If p is a positive integer, is integer k prime?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

06 Dec 2016, 07:21

5

8

2,870

by: ILMENF

18 Jul 2019, 15:52

ER

If a ≠ 0, is b greater than zero?

555-605 (Medium) | Algebra, Inequalities

555-605 (Medium) | Algebra, Inequalities hide tags

Bunuel

30 Aug 2016, 05:12

2

2,488

18 Jul 2019, 03:57

ER

a,b, c are three integers such that a<b<c. Is c greater than

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

TheUltimateWinner

15 Jul 2019, 10:40

2

1,902

by: CrackverbalGMAT

17 Jul 2019, 04:32

Is one of P or Q a fraction?

Poor Quality

Poor Quality hide tags

JayPatadiya

15 Jul 2019, 01:14

1

5

1,142

by: Palladin

17 Jul 2019, 00:51

ER

Is the integer k a prime number? (1) k + 1 is prime. (2) k + 2 is a

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

Bunuel

15 Jul 2019, 00:59

1

2

2,510

by: CrackverbalGMAT

16 Jul 2019, 05:11

ER

Are x and y integers? (1) x + y is an odd. (2) x – y is an even.

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

15 Jul 2019, 01:04

3

2,414

by: Peter2719

15 Jul 2019, 07:37

ER

If O and P are each circular regions, what is the area of the smaller

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

noTh1ng

07 Aug 2015, 06:17

2

7

3,091

15 Jul 2019, 04:09

In the figure, lines AB and D E are parallel. What is the value of x ?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

15 Jul 2019, 01:28

2

2,300

by: vinayakvaish

15 Jul 2019, 01:35

Is x = y ? (1) xy is negative. (2) x + y is positive.

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

15 Jul 2019, 01:07

2

2,031

by: KSBGC

15 Jul 2019, 01:35

Does a equal b? (1) a and b are positive integers. (2) a plus b equals

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

15 Jul 2019, 00:36

1

1,280

15 Jul 2019, 01:01

What is the remainder when m is divided by 12? (1) The remainder when

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

15 Jul 2019, 00:38

1

1,946

15 Jul 2019, 00:55

ER

Is x/18 an integer? (1) x/6 is an integer. (2) x/3 is an integer.

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

JayPatadiya

14 Jul 2019, 23:40

1

3

1,720

by: JayPatadiya

15 Jul 2019, 00:21

Is the integer k a prime number? (1) k + 1 is prime. (2) k + 2 is not

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

14 Jul 2019, 23:05

2

5

1,633

by: SwamyGali18

15 Jul 2019, 00:03

Is x = 9? (1) x^2 – 7x – 18 = 0 (2) x^2 – 10x + 9 = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

14 Jul 2019, 23:35

1

2

1,263

by: kitipriyanka

14 Jul 2019, 23:59

ER

We define “A mod n” as the remainder when a positive integer A is divi

605-655 (Medium) | Multiples and Factors, Remainders

605-655 (Medium) | Multiples and Factors, Remainders hide tags

BillyZ

26 Mar 2017, 16:29

7

3

2,779

14 Jul 2019, 13:09

If a and b are two consecutive integers, then what is the value of a?

655-705 (Hard) | Algebra +2 tags

655-705 (Hard) | Algebra, Exponents, Number Properties hide tags

Bunuel

12 Jul 2019, 01:44

2

6

2,599

by: jmwon

14 Jul 2019, 08:00

In the figure, lines l, m, and n intersect at O. Is a = 5/7? (1) x = a

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

12 Jul 2019, 01:56

2

1,353

by: Rose2012

14 Jul 2019, 00:37

What is the area of rectangle ABCD ? (1) Side B is 7 units long. (2) T

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

05 Mar 2019, 05:23

1

4

1,537

by: rishab0507

13 Jul 2019, 13:33

ER

Is x^2 – 10x > – 20? (3) 3 < x < 7 (4) 2 < x < 9

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

18 Jul 2018, 02:58

1

7

1,944

by: Mo2men

13 Jul 2019, 07:44

If |x| = |y|, x + y = ? (1) x - y = 4 (2) x/y = -1

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

Bunuel

12 Jul 2019, 08:00

76

12

5,921

by: ArtyomYom

13 Jul 2019, 04:22

(x - y/3) - (y - x/3) = (1) x – y = 9 (2) x + y = 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

12 Jul 2019, 02:12

2

1,519

12 Jul 2019, 13:15

In the figure above, triangle MNO is equilateral. What is the area of

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Nov 2018, 01:19

18

8

5,307

by: snehasultania

12 Jul 2019, 11:37

What is the area of the figure MNOPQ ? (1) NOP is an equilateral trian

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

12 Jul 2019, 00:07

3

1,488

by: snehasultania

12 Jul 2019, 11:34

a, b, and c are three integers such that a<b<c. Is a×b×c positive? 1)

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

TheUltimateWinner

12 Jul 2019, 10:12

1

2

1,596

by: KSBGC

12 Jul 2019, 11:12

Is xy equal to 12 ? (1) Either x equals 3 or y does not equal 2. (2)

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

12 Jul 2019, 01:38

1

1,120