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

78,893

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

188,621

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,103

by: bb

29 Aug 2025, 13:27

ER

How many students does the Gotham City School of Business enroll each

505-555 (Easy) | Fractions and Ratios, Word Problems

505-555 (Easy) | Fractions and Ratios, Word Problems hide tags

Bunuel

23 Mar 2022, 04:30

1

1,501

by: JerryAtDreamScore

23 Mar 2022, 14:21

ER

Is integer z divisible by 24? (1) z is divisible by 6. (2) z is divis

555-605 (Medium) | Multiples and Factors

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

Bunuel

01 Nov 2020, 00:15

1

2

1,501

by: bumpbot

13 Aug 2024, 13:36

ER

A certain shop in a market sells only cherry pies and apple pies

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

05 Dec 2024, 01:30

3

1

1,501

by: stne

06 Dec 2024, 15:17

ER

Bob ran a 20-mile race. At what time did he finish the race?

555-605 (Medium) | Distance and Speed Problems

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

Bunuel

23 Aug 2024, 01:30

6

2

1,501

by: bumpbot

01 Nov 2025, 00:05

ER

If P is an integer, is

Poor Quality

Poor Quality hide tags

VenoMfTw

20 Jun 2016, 04:05

3

1,500

by: chetan2u

20 Jun 2016, 07:41

ER

If y ≠ 0 and z ≠ 0, what is the value of x/(yz) ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

02 Oct 2017, 23:54

2

1

1,500

by: niks18

03 Oct 2017, 03:18

ER

How many square floor tiles with each side x will it take to cover a

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

22 Feb 2018, 20:49

4

1,500

by: nithinjohn

02 Mar 2018, 05:47

ER

How many degrees is angle x? (1) y = 47° (2) z = 110°

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

17 Oct 2019, 23:30

1

1,500

by: DavidTutorexamPAL

18 Oct 2019, 01:25

ER

Is a > b? 1) a/b > 1 2) b/a < 1 Source: www.GMATinsight.com

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

GMATinsight

29 Jan 2018, 07:05

5

2

1,500

by: bumpbot

22 Jan 2020, 08:32

ER

What is the value of b ? (1) b^4 = 16 (2) 7^(3b − 4) = 49

Sub 505 (Easy) | Exponents

Sub 505 (Easy) | Exponents hide tags

Bunuel

24 Feb 2022, 02:30

1

1,500

by: kungfury42

24 Feb 2022, 04:49

ER

The average (arithmetic mean) of the ages of three people, expressed

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

30 Aug 2019, 06:27

1

2

1,500

by: BrushMyQuant

07 Oct 2022, 09:15

ER

In the xyplane, is the xintercept of the line L positive?

505-555 (Easy) | Coordinate Plane

505-555 (Easy) | Coordinate Plane hide tags

Bunuel

02 Jun 2022, 01:30

4

2

1,500

by: bumpbot

12 Feb 2025, 11:35

ER

If n and m are positive, is m < 9 < n ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

29 Aug 2019, 05:53

4

1,499

by: Chethan92

05 Dec 2019, 14:12

What is the value of x/2 - y/4? (1) 2x = y + 6 (2) y/2 = x - 3

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Russ19

18 Jan 2020, 02:43

3

1

1,499

by: JohnWidestone

17 Jan 2020, 10:30

ER

If x^3 + x^2 = abx^2 + abx, is x = ab? 1) x > 0 2) ab = 6

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Russ19

23 Jun 2021, 06:48

3

2

1,499

by: Showmeyaa

23 Jun 2021, 14:03

the prime factorization of integer m is a^3 * b^2*c*d

555-605 (Medium) | Multiples and Factors

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

shridhar786

12 Sep 2019, 00:23

1

2

1,499

by: PZSingapore

12 Dec 2023, 17:59

ER

A group ticket for admission to art gallery A costs $p for up to 10 pe

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

MathRevolution

22 Nov 2017, 02:15

2

3

1,498

by: MathRevolution

24 Nov 2017, 01:20

ER

What is the area of triangle ABC? (1) AB = 3 and AC = 5 (2) B is a

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

30 Apr 2019, 23:41

2

3

1,498

by: Archit3110

01 May 2019, 01:59

ER

A library bought b books for its collection. What was the total amount

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

17 Oct 2019, 23:45

1

1,498

by: DavidTutorexamPAL

18 Oct 2019, 01:49

ER

Romero owns three restaurants. What was their combined gross revenue

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

20 Jan 2021, 09:13

1

1,498

by: MaryKaaviya

20 Jan 2021, 21:19

ER

What is the sum of positive integers x and y ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

04 Jul 2021, 11:33

2

3

1,498

by: Showmeyaa

06 Jul 2021, 00:20

ER

If k is the product of three distinct prime factors, what is the value

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

09 Sep 2022, 03:54

2

1

1,498

by: GMATinsight

09 Sep 2022, 04:04

ER

If a, b, and c are integers greater than 1, and 12^7 = a^b*c, what

655-705 (Hard) | Exponents +2 tags

655-705 (Hard) | Exponents, Multiples and Factors, Number Properties hide tags

Bunuel

05 Jun 2023, 01:30

2

4

1,498

by: szcz

05 Jun 2023, 23:29

ER

If line M passes through the coordinate system shown above, does line

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

05 Sep 2018, 00:36

1

1,497

by: blueviper

05 Sep 2018, 03:15

ER

If a gym charges its members a one-time registration fee of $r and a

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

28 Apr 2021, 08:30

1

1,497

by: MarmikUpadhyay

28 Apr 2021, 20:48

ER

If f(x) = 2^x, is f(k) > f(m) ? (1) k > m (2) k/m is an even integer

655-705 (Hard) | Exponents +2 tags

655-705 (Hard) | Exponents, Functions and Custom Characters, Inequalities hide tags

Bunuel

12 Nov 2022, 10:26

5

8

1,497

by: chetan2u

19 Nov 2022, 08:29

ER

How many of the 60 balls in the basket are green?

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

10 May 2023, 01:30

1

1,497

by: szcz

10 May 2023, 06:13

ER

Is an integer n even? (1) n(n + 2) = even (2) n(n + 3) = even

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

14 Jun 2023, 06:00

1

3

1,497

by: Bunuel

03 Jul 2023, 10:10

ER

Vilasinee's Video Vault assesses fees for overdue movies according to

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

24 Apr 2022, 12:00

7

2

1,497

by: r0817917

27 Mar 2024, 07:32

ER

In the figure above, is l1 parallel to l2? (1) x + 90 = 280 - y (2) w

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

17 Oct 2020, 13:36

1

1,496

by: CrackverbalGMAT

17 Oct 2020, 21:25

ER

Is x^2 - y^2 < 0 (1) x - y < 0 (2) x + y > 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

steppenwolf111

24 Apr 2021, 10:18

1

2

1,496

by: abhishekmayank

26 Apr 2021, 10:28

Is the positive integer X a prime number? (1) X is a factor of anothe

555-605 (Medium) | Multiples and Factors

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

amanvermagmat

06 Aug 2018, 10:52

2

1,496

by: bumpbot

02 Aug 2022, 18:23

ER

If the figure shown is that of two concentric circles where two radii

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

13 Sep 2018, 05:09

2

3

1,495

by: ShankSouljaBoi

27 Sep 2018, 09:08

ER

What is the value of DE/FG ?

655-705 (Hard) | Fractions and Ratios, Geometry

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

fskilnik

27 Feb 2019, 15:52

3

1

1,495

by: fskilnik

28 Feb 2019, 07:07

ER

The cost of production of a certain item increases, though not proport

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

15 Aug 2019, 01:11

1

3

1,495

by: Bunuel

17 Sep 2019, 02:32

ER

What distance did Marty drive? (1) Wendy drove 15 miles in 20 minutes

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

Bunuel

07 Apr 2020, 07:10

1

1,495

by: Archit3110

07 Apr 2020, 08:31

ER

If a store sold 30 more televisions this month than last month, by wha

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

29 Dec 2020, 23:03

1

1,495

by: imeanup

30 Dec 2020, 04:41

ER

If p and q are distinct lines in the xy coordinate system such that th

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

Bunuel

10 Dec 2021, 02:30

2

1

1,495

by: truplayer257

10 Dec 2021, 19:55

ER

Is xyz > 1? 1) xy > 1 2) yz > 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

GMATinsight

14 Feb 2022, 08:23

2

1,495

by: BrentGMATPrepNow

14 Feb 2022, 12:08

ER

A car in highway driving can go a distance of 60 miles longer than

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

31 Jul 2024, 01:31

4

2

1,495

by: SatvikVedala

31 Aug 2024, 02:16

ER

If t denotes the thousandths digit of the number N = 0.56t8, what digi

Sub 505 (Easy) | Fractions and Ratios, Number Properties

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

Bunuel

29 Apr 2018, 09:34

1

1,494

by: EgmatQuantExpert

29 Apr 2018, 13:40

ER

If a and b are distinct integers greater than –1, then what is the val

Sub 505 (Easy) | Exponents, Number Properties

Sub 505 (Easy) | Exponents, Number Properties hide tags

Bunuel

01 May 2019, 23:41

1

3

1,494

by: Archit3110

02 May 2019, 02:51

ER

Given that X is a positive odd integer

655-705 (Hard) | Exponents, Inequalities

655-705 (Hard) | Exponents, Inequalities hide tags

firas92

14 Jun 2019, 07:33

6

3

1,494

by: nick1816

14 Jun 2019, 10:22

ER

If Phil’s age is exactly half of Jan’s age, what is Jan’s age?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

16 Feb 2022, 05:00

2

1,494

by: kungfury42

16 Feb 2022, 12:47

ER

How many girls are in the chess club? (1) The chess club has a total

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

04 Mar 2019, 23:51

2

1,493

by: Archit3110

05 Mar 2019, 08:58

Is traingle ABC is scalene?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Aayu12

12 Jan 2020, 04:19

5

3

1,493

by: CareerGeek

12 Jan 2020, 10:57

ER

What is the largest angle in triangle ABC? (1) The sum of angles A an

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

16 Mar 2022, 08:00

2

1

1,493

by: Sr1994

19 Mar 2022, 13:42

ER

What is the value of |m|?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

25 Sep 2017, 00:01

1

1,492

by: pushpitkc

25 Sep 2017, 03:03

ER

For a positive integer x, what is the value of the hundreds digit of 3

555-605 (Medium) | Exponents, Number Properties

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

Bunuel

14 Apr 2021, 03:00

2

1,492

by: TestPrepUnlimited

15 Apr 2021, 09:35

ER

N is an integer. The remainder when N is divided by 10 is r. Is r = 5?

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

huongguyen

30 Nov 2021, 02:52

2

1

1,492

by: JerryAtDreamScore

30 Nov 2021, 17:24