GMAT Data Sufficiency (DS) Forum - Free Practice Questions

ER

Complete 1000 GMAT Data Sufficiency Series (DS-1000 Series) Questions

Bunuel

25 Oct 2022, 08:11

178

15

79,033

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,702

by: bumpbot

16 Sep 2025, 06:05

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DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,234

by: bb

29 Aug 2025, 13:27

ER

A merchant discounted the sale price of a coat and the sale price of a

605-655 (Medium) | Percent and Interest Problems, Word Problems

605-655 (Medium) | Percent and Interest Problems, Word Problems hide tags

1, 2

Bunuel

26 Oct 2015, 09:41

416

31

65,475

by: anushree01

05 Oct 2025, 01:32

ER

What is the sum of a certain pair of consecutive odd integers?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

25 Oct 2015, 09:18

175

16

40,410

by: bumpbot

04 Aug 2025, 14:26

ER

At the beginning of the year, the Finance Committee and the Planning C

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

Bunuel

25 Oct 2015, 09:15

148

14

44,126

by: Ishaan30

09 Jul 2025, 04:04

ER

Is zp negative? (1) pz^4 < 0 (2) p + z^4 = 14

555-605 (Medium) | Exponents +2 tags

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

Bunuel

25 Oct 2015, 09:13

200

12

52,134

by: bumpbot

07 Sep 2025, 12:37

ER

In the parallelogram shown, what is the value of x?

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

25 Oct 2015, 09:12

142

13

35,566

by: bumpbot

10 Jan 2026, 04:19

ER

The rectangular rug shown in the figure above has an accent border.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

25 Oct 2015, 09:08

190

18

38,826

by: bumpbot

02 Aug 2023, 18:28

ER

A conveyor belt moves bottles at a constant speed of 120 centimeters

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

25 Oct 2015, 09:05

320

18

50,609

by: bumpbot

23 Mar 2025, 09:51

ER

A company makes and sells two products, P and Q. The costs per unit of

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

25 Oct 2015, 09:04

437

19

84,469

by: Dream009

27 Dec 2025, 19:37

ER

If n is an integer, is (0.1)^n greater than (10)^n?

Sub 505 (Easy) | Exponents, Inequalities

Sub 505 (Easy) | Exponents, Inequalities hide tags

Bunuel

14 May 2023, 14:43

185

13

43,477

by: bumpbot

19 Jul 2025, 04:27

ER

If x = 2t and y = t/3, what is the value of x^2 y^2?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

25 Oct 2015, 08:50

113

15

38,045

by: bumpbot

23 Aug 2024, 07:08

ER

C is a circle with center D and radius 2. E is a circle with center F

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

25 Oct 2015, 05:12

16

11

10,782

by: gmatstuff123

30 Sep 2023, 22:14

ER

Is √abcd an integer, where a,b,c,d are all prime numbers?

805+ (Hard) | Algebra, Number Properties

805+ (Hard) | Algebra, Number Properties hide tags

rajarshee

24 Oct 2015, 00:27

13

9

4,205

by: bumpbot

18 Sep 2025, 22:51

ER

If x and y are positive integers, what is the value of x^(1/2)+y^(1/2)

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

1, 2

Bunuel

21 Oct 2015, 21:49

217

25

69,731

by: bumpbot

19 Nov 2025, 09:34

ER

If a and b are positive integers, is a/b < 9/11 ?

555-605 (Medium) | Fractions and Ratios, Inequalities

555-605 (Medium) | Fractions and Ratios, Inequalities hide tags

1, 2

Bunuel

21 Oct 2015, 21:46

448

28

66,574

by: bumpbot

06 Dec 2025, 07:49

ER

Do at least 60 percent of the students in Pats class walk to school?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

1, 2

Bunuel

21 Oct 2015, 21:43

68

20

30,351

by: bumpbot

23 Mar 2025, 03:19

ER

Square ABCD is inscribed in circle O. What is the area of square regio

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

21 Oct 2015, 21:40

61

18

56,884

by: bumpbot

21 Jun 2025, 03:56

ER

For a certain car repair, the total charge consisted of a charge for

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

21 Oct 2015, 21:39

69

10

27,615

by: bumpbot

22 Aug 2024, 12:34

ER

A certain investment earned a fixed rate of 4 percent interest per yea

Sub 505 (Easy) | Percent and Interest Problems

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

Bunuel

21 Oct 2015, 21:37

147

15

37,988

by: bumpbot

08 Jul 2025, 12:39

ER

What is the value of w^(2)? (1) w^(1) = 1/2 (2) w^3 = 8

Sub 505 (Easy) | Exponents

Sub 505 (Easy) | Exponents hide tags

Bunuel

21 Oct 2015, 21:35

39

13

33,605

by: bumpbot

05 Feb 2025, 21:59

ER

Is x = 1/y? (1) xy = 1 (2) 1/(xy) = 1

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

21 Oct 2015, 21:33

30

16

30,877

by: bumpbot

10 Jun 2025, 22:26

ER

What is the remainder when n is divided by 26, given that n divided by

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

Bunuel

20 Oct 2015, 12:11

103

13

17,319

by: bumpbot

26 Jan 2025, 14:33

ER

Is the standard deviation of a certain set greater than 5,000?

705-805 (Hard) | Statistics and Sets Problems

705-805 (Hard) | Statistics and Sets Problems hide tags

AmitGoyalJamboree

20 Oct 2015, 05:42

68

16

15,509

by: egmat

12 Feb 2026, 04:59

ER

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

harish1986

18 Oct 2015, 13:02

10

8

2,941

by: origen87

30 Mar 2017, 10:32

ER

If b is an integer, is a|a| < 2^b

555-605 (Medium) | Absolute Values +2 tags

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

harish1986

14 Oct 2015, 09:47

6

4

2,674

by: bumpbot

15 Aug 2017, 07:35

ER

If a and b are integers, is a + 8b even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Oct 2015, 22:31

8

3,285

by: IcyTropic

14 Oct 2015, 15:43

ER

If j is a positive integer, is (j^3-27)^2(j^3+1)^3 odd?

555-605 (Medium) | Algebra, Number Properties

555-605 (Medium) | Algebra, Number Properties hide tags

Bunuel

12 Oct 2015, 22:24

4

6

3,163

by: bumpbot

18 Aug 2025, 10:31

ER

If x and y are integers, is x even?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

12 Oct 2015, 22:16

6

9

3,556

by: bumpbot

11 Aug 2020, 13:49

ER

A certain wooded lot contains 56 oak trees. How many pine trees does

Sub 505 (Easy) | Fractions and Ratios, Word Problems

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

Bunuel

12 Oct 2015, 22:06

8

6

7,827

by: bumpbot

02 Feb 2023, 03:40

ER

What is the value of |x| ?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

MINDPOWER

11 Oct 2015, 13:16

3

3,089

by: thembaseeker

11 Oct 2015, 21:45

ER

S = x^3 +3^x. Is S > 0?

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

MINDPOWER

11 Oct 2015, 13:07

15

6

3,691

by: bumpbot

14 Jul 2025, 10:46

ER

A triangle is formed by the x-axis, the y-axis, and Line M. Is the are

655-705 (Hard) | Coordinate Plane, Geometry

655-705 (Hard) | Coordinate Plane, Geometry hide tags

Bunuel

11 Oct 2015, 09:34

42

12

13,604

by: bumpbot

01 Nov 2023, 22:27

ER

Does x = y ? (1) x^2 - y^2 = 0 (2) (x + y)^2 = 0

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

11 Oct 2015, 05:24

12

7

9,126

by: bumpbot

24 Jan 2023, 08:25

ER

Is mn<10?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Srav

11 Oct 2015, 00:23

64

12

13,849

by: bumpbot

29 Oct 2024, 23:17

ER

Is (x^-1-y^-1)/(x^-2-y^-2)>1?

555-605 (Medium) | Exponents, Inequalities

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

excelingmat

11 Oct 2015, 05:07

14

13

3,856

by: bumpbot

30 Nov 2021, 11:15

ER

How long did Mr. X take to cover 5000 km journey with 10 stopovers?

555-605 (Medium) | Distance and Speed Problems

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

excelingmat

10 Oct 2015, 07:43

6

5

7,080

by: bumpbot

11 Feb 2026, 12:59

ER

Ramu went by car from Calcutta to Trivandrum via Madras, without any

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

excelingmat

11 Oct 2015, 05:08

17

6

6,612

by: bumpbot

11 Dec 2023, 05:24

X is older than Y, Z is younger than W and V is older than Y.

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

excelingmat

10 Oct 2015, 07:34

1

2

11,497

by: G2MAT

27 Apr 2020, 22:19

ER

A man distributed 43 chocolates to his children. How many of his child

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

excelingmat

11 Oct 2015, 04:47

2

6,178

by: bumpbot

23 Jun 2018, 03:32

ER

If n and a are positive integers, what is the units digit of n^(4a+2)

605-655 (Medium) | Exponents

605-655 (Medium) | Exponents hide tags

Bunuel

09 Oct 2015, 02:16

17

7

7,794

by: bumpbot

30 Nov 2023, 13:03

ER

If r, s, and t are positive integers and rst = 343, what is the value

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

09 Oct 2015, 02:15

2

10

5,609

by: bumpbot

21 Dec 2022, 02:45

ER

Set T is a finite set of positive consecutive multiples of 14. How

705-805 (Hard) | Multiples and Factors +2 tags

705-805 (Hard) | Multiples and Factors, Number Properties, Statistics and Sets Problems hide tags

Bunuel

09 Oct 2015, 02:13

59

17

10,801

by: bumpbot

05 Jun 2025, 03:07

ER

If x is a positive integer less than 10, is 14,743 + x prime?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

08 Oct 2015, 08:13

25

14

7,689

by: bumpbot

18 Jun 2021, 06:45

ER

If x and y are positive integers, is x y an integer?

505-555 (Easy) | Multiples and Factors, Number Properties

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

Bunuel

08 Oct 2015, 08:11

17

4

7,779

by: bumpbot

11 Oct 2023, 00:34

ER

What is the average of the terms in set J?

605-655 (Medium) | Arithmetic, Statistics and Sets Problems

605-655 (Medium) | Arithmetic, Statistics and Sets Problems hide tags

Bunuel

08 Oct 2015, 08:02

99

16

17,231

by: bumpbot

08 Oct 2025, 12:15

ER

How many students in the senior class take both French and Spanish?

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

08 Oct 2015, 07:58

16

5

14,018

by: tomloveless

26 Jul 2024, 11:42

ER

In rectangular region PQRS above, T is a point on side PS. If PS = 4,

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

06 Mar 2023, 00:14

126

16

31,756

by: bumpbot

21 Jul 2025, 01:55

ER

For positive integer a, is the product (a)(a + 1)(a + 2) divisible by

605-655 (Medium) | Multiples and Factors, Number Properties

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

Bunuel

08 Oct 2015, 07:51

30

10

10,456

by: bumpbot

22 Dec 2022, 11:38

ER

Cars Y and Z travel side-by-side at the same rate of speed along paral

655-705 (Hard) | Distance and Speed Problems

655-705 (Hard) | Distance and Speed Problems hide tags

Bunuel

06 Mar 2023, 00:15

131

12

18,276

by: bumpbot

24 Apr 2026, 00:07

ER

If a, b, and c are distinct positive integers where a < b < c and

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

08 Oct 2015, 07:45

22

6

10,401

by: khumoyuns

02 Mar 2023, 09:43

ER

Is x > 3? (1) The sum of x and the square of x is 12 (2) x^2 > 9

605-655 (Medium) | Algebra, Inequalities

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

Bunuel

08 Oct 2015, 07:43

22

7

6,721

by: bumpbot

20 Jul 2025, 18:58