Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,938

by: bb

29 Aug 2025, 13:27

ER

7 students each bought some books on a book fair. Is the total number

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Zed3092

03 Dec 2018, 03:46

6

2

2,405

by: kylebecker9

03 Dec 2018, 11:26

ER

Is m^n a perfect square?

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barryseal

01 Dec 2018, 06:24

5

15

1,832

by: barryseal

03 Dec 2018, 00:11

ER

If x and y are distinct non-negative integers, what is the value of x^

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Poor Quality hide tags

mkortepe

02 Dec 2018, 19:23

3

1

1,530

by: chetan2u

02 Dec 2018, 21:41

ER

Is x^2 > x ? (1) x is a prime number (2) x ≥1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Nikhil

15 Mar 2019, 00:12

2

3

1,769

by: Kamola

01 Dec 2018, 11:41

X and Y are two non zero numbers. What is |X| - |Y|?

655-705 (Hard) | Absolute Values, Algebra

655-705 (Hard) | Absolute Values, Algebra hide tags

amanvermagmat

30 Nov 2018, 20:15

4

2,380

by: NCRanjan

01 Dec 2018, 03:25

Is x divisible by 14?

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

fitzpratik

28 Nov 2018, 09:49

2

1

1,563

by: philipssonicare

01 Dec 2018, 02:09

ER

If n is an integer, is n odd?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

01 Nov 2015, 09:12

3

5

3,752

30 Nov 2018, 13:09

ER

X and Y are two numbers such that |X|=|Y|. What is the sum

605-655 (Medium) | Absolute Values

605-655 (Medium) | Absolute Values hide tags

amanvermagmat

30 Nov 2018, 04:01

1

2,027

30 Nov 2018, 04:07

ER

Is x positive? (1) x^2 + 10 x > 0 (2) 3^x > 1

555-605 (Medium) | Exponents, Inequalities

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

Bunuel

29 Oct 2017, 01:41

5

2

2,805

by: BrentGMATPrepNow

29 Nov 2018, 18:07

ER

Triangle ABC is right angled at B, while triangle ACD is right angled

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

amanvermagmat

22 Nov 2018, 23:38

6

3

3,063

by: kylebecker9

29 Nov 2018, 09:34

ER

A cinema studio has 3 screens: A, B and C. Each of these 3 screens run

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

amanvermagmat

28 Nov 2018, 01:51

1

2

2,188

by: souvikgmat1990

28 Nov 2018, 10:58

ER

Is the sum of the roots of the equation, x^2 + bx + c = 0, positive?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 Mar 2018, 23:35

4

2,788

by: shrik

27 Nov 2018, 09:52

ER

Is 2^x > 75 ? (1) 3^x > 50 (2) 2^x*3^x > 1500

605-655 (Medium) | Exponents, Inequalities

605-655 (Medium) | Exponents, Inequalities hide tags

Bunuel

27 Nov 2018, 00:44

4

1,823

by: ArjunJag1328

27 Nov 2018, 05:09

ER

If x and y both are integers, what is the value of x+y?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Abhi077

03 Nov 2018, 10:03

5

7

1,659

by: chetan2u

27 Nov 2018, 04:53

Rajesh and Pihu started walking from the same point in opposite direct

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

amanvermagmat

25 Nov 2018, 22:09

5

4

1,831

by: soapbolt

27 Nov 2018, 00:11

ER

What is the value of x?

505-555 (Easy) | Inequalities, Number Properties

505-555 (Easy) | Inequalities, Number Properties hide tags

Bunuel

22 Feb 2016, 04:38

13

7

4,156

25 Nov 2018, 00:49

ER

The figure shows a rectangle with a triangle inscribed in it

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

pushpitkc

24 Nov 2018, 23:34

3

2,874

by: chetan2u

24 Nov 2018, 23:52

ER

Is m > n? (1) 3/7 < m < 5/7 (2) 2/7 < n < 4/7

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

22 Nov 2018, 03:53

4

1,898

23 Nov 2018, 22:10

ER

What is the area of a rectangular surface that has length x feet and

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

18 Dec 2014, 06:59

6

3

5,020

21 Nov 2018, 21:14

ER

If x, y, and z are consecutive integers, and x < y < z , is x even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

bschool83

04 Oct 2017, 01:13

4

3,532

21 Nov 2018, 20:02

ER

If x + y = 10, is x = 4? (1) y is not 6. (2) y is 4.

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

30 Jul 2015, 10:42

12

15

3,128

21 Nov 2018, 19:41

ER

If a is a positive integer, is a^(1/2) an integer?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

24 Jun 2017, 06:54

2

3

1,910

20 Nov 2018, 08:46

ER

What is n ? (1) n = 25^(1/2) (2) n^2 = 25

505-555 (Easy) | Algebra, Number Properties

505-555 (Easy) | Algebra, Number Properties hide tags

Bunuel

19 Nov 2018, 00:12

1

2

1,252

20 Nov 2018, 02:23

ER

The average of two numbers is 108. What is the value of the greater nu

Sub 505 (Easy) | Algebra, Fractions and Ratios

Sub 505 (Easy) | Algebra, Fractions and Ratios hide tags

Bunuel

19 Nov 2018, 00:05

1

2

1,559

20 Nov 2018, 02:02

ER

What is x ? (1) The ratio of x:y is 1:3. (2) The ratio of y:z is 1:2.

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

18 Nov 2018, 23:58

2

2,041

20 Nov 2018, 01:58

ER

What is the value of x – y ? (1) x = y + 3 (2) x^2 − 2xy + y^2 = 9

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

19 Nov 2018, 00:20

1

5

1,552

by: KSBGC

19 Nov 2018, 04:35

ER

If p is an integer, is q an integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

24 Dec 2017, 01:27

2

4

2,112

16 Nov 2018, 14:37

ER

What is the value of n? (1) n^(1/2) = 2 (2) (4n)^(1/2) = 4

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

GMATBusters

01 Nov 2018, 07:54

1

4

4,651

by: KSBGC

16 Nov 2018, 10:57

ER

Is the average (arithmetic mean) of a and b less than 40?

Sub 505 (Easy) | Algebra, Statistics and Sets Problems

Sub 505 (Easy) | Algebra, Statistics and Sets Problems hide tags

Bunuel

29 Sep 2015, 21:35

3

8

8,023

16 Nov 2018, 10:51

ER

If p = 3q, is p^2 > q^2

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

vikrantgulia

03 Jan 2014, 08:01

14

11

5,792

by: sumisachan

16 Nov 2018, 04:14

ER

What is the value of the integer p ? (1) p is a prime factor of 33.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

15 Nov 2018, 05:26

1

3

1,709

by: Nighat Bano

16 Nov 2018, 02:55

ER

If line k in the xy-coordinate plane has the equation Ax + By = C, wha

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

23 Jul 2018, 03:15

7

4

7,381

by: BrentGMATPrepNow

15 Nov 2018, 08:23

ER

If x is a member of the set {12, 15, 18, 24, 36, 45}, what is the valu

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

Bunuel

15 Nov 2018, 05:28

2

3

1,551

15 Nov 2018, 06:00

ER

If m and n are integers, and m is a multiple of 5, is mn a multiple of

555-605 (Medium) | Multiples and Factors

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

Bunuel

15 Nov 2018, 05:21

1

3

2,347

15 Nov 2018, 05:52

ER

If x and z are integers, how many even integers y are there such that

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

15 Nov 2018, 05:30

1

3

1,753

15 Nov 2018, 05:42

ER

What is the value of j ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

15 Nov 2018, 03:47

4

3,489

15 Nov 2018, 04:34

ER

If x = y + 2, where x, y are positive integers. Is (x + y) a multiple

605-655 (Medium) | Algebra, Number Properties

605-655 (Medium) | Algebra, Number Properties hide tags

v12345

12 Nov 2018, 10:39

8

3

1,535

15 Nov 2018, 03:19

ER

How much money did Day School D spend on operating expenses?

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

Sajjad1994

25 Sep 2017, 12:24

2

4

2,038

by: sam3378

14 Nov 2018, 23:06

ER

Two intersecting lines form four angles. Are the lines

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

arjtryarjtry

26 Jul 2008, 01:52

6

3

5,141

14 Nov 2018, 17:14

ER

If a bicycle has two wheels one twice as wide as the other, at how man

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

12 Sep 2018, 00:23

6

3

1,963

by: Kezia9

14 Nov 2018, 07:50

ER

A new students joins a class, which has average weight 40 kg. By what

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

GMATinsight

08 Nov 2018, 06:59

6

4

2,282

by: storm1327

13 Nov 2018, 22:43

ER

In the fraction a/b, where a and b are positive integers, what is the

655-705 (Hard) | Fractions and Ratios

655-705 (Hard) | Fractions and Ratios hide tags

Bunuel

11 Jan 2015, 12:24

11

8

3,644

13 Nov 2018, 20:27

ER

Is 3^(x+2)/9 >1 ? (1) 9^x > 1 (2) x > 0

555-605 (Medium) | Exponents, Inequalities

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

metallicafan

26 Jun 2012, 12:25

8

9

5,763

by: Bunuel

13 Nov 2018, 11:53

ER

The table above shows quantities of the mobile phone models sold by a

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

16 Jul 2015, 01:33

12

9

4,778

13 Nov 2018, 09:38

ER

What is the value of a + b ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

03 Sep 2017, 06:26

8

4

1,976

13 Nov 2018, 08:59

ER

If X is a set of four numbers, a, b, c, and d, is the range of the num

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

Bunuel

12 Jan 2015, 11:07

12

9

3,119

13 Nov 2018, 08:54

ER

If x&y = x^2 − 2y, what is the value of a&2 ?

555-605 (Medium) | Functions and Custom Characters

555-605 (Medium) | Functions and Custom Characters hide tags

Bunuel

13 Nov 2018, 02:13

1

4

2,148

13 Nov 2018, 04:55

ER

The greatest number in a set of 4 numbers is 70. What is the average

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

Bunuel

13 Nov 2018, 02:06

3

2,098