GMAT Data Sufficiency (DS) Forum - Free Practice Questions

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

Bunuel

25 Oct 2022, 08:11

176

15

78,690

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

854

24

188,503

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

487,914

by: bb

29 Aug 2025, 13:27

ER

What is the ratio of m to n? (1) If m is decreased by 3

705-805 (Hard) | Fractions and Ratios

705-805 (Hard) | Fractions and Ratios hide tags

rxs0005

21 Nov 2010, 03:34

6

3

4,828

by: finisher009

07 Aug 2025, 21:38

ER

What is the ratio of male to female officers in the police force in to

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

19 May 2016, 03:22

2

10,099

by: bumpbot

29 Jun 2021, 06:32

ER

What is the ratio of men to women enrolled in a certain class?

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

14 Dec 2018, 01:20

8

9

4,556

by: bumpbot

25 Jan 2025, 04:41

ER

What is the ratio of nickels to dimes in a bag of change that contains

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

08 Jan 2018, 23:34

1

4

2,803

by: DavidTutorexamPAL

12 Jun 2019, 14:05

ER

What is the ratio of OA to AC? (1) OD is half the length of DC

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

18 Sep 2018, 22:02

7

8

2,297

by: bumpbot

03 Mar 2021, 05:30

ER

What is the ratio of P to Q? (1) P is 4 less twice Q (2) 4P equals 7Q

505-555 (Easy) | Fractions and Ratios

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

Bunuel

30 Oct 2019, 22:10

2

3,752

by: MathRevolution

01 Nov 2019, 07:44

ER

What is the ratio of p to r ? (1) 2p/r = 30 (2) p/(3r) = 5

Sub 505 (Easy) | Algebra, Fractions and Ratios

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

GMATBusters

01 Nov 2018, 22:34

2

4,477

by: BrentGMATPrepNow

28 Dec 2020, 10:27

ER

What is the ratio of p to r ? (1) The ratio of p to 3r is 5 to 9

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

18 Oct 2019, 05:18

1

4

5,281

by: bumpbot

02 Feb 2023, 03:36

ER

What is the ratio of r to s?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

banksy

29 Jul 2013, 08:29

38

14

18,545

by: bumpbot

20 Nov 2023, 19:39

ER

What is the ratio of r to s? (1) r = 3(s + 1) (2) The ratio of 1.2r t

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

10 Apr 2018, 06:53

2

1,709

by: GMATBusters

10 Apr 2018, 07:33

ER

What is the ratio of r:s:t?

505-555 (Easy) | Fractions and Ratios

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

Sajjad1994

01 Jan 2021, 23:35

1

2,011

by: BrentGMATPrepNow

03 Jan 2021, 07:37

ER

What is the ratio of the amount, by weight, of Metal A to Metal B in A

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

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

guddo

30 May 2024, 11:02

24

12

6,516

by: Bunuel

16 Aug 2025, 01:35

ER

What is the ratio of the area of a rectangular TV screen with

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

dimitri92

24 Oct 2023, 12:06

39

3

9,509

by: bumpbot

24 Oct 2023, 12:03

ER

What is the ratio of the area of quadrilateral BCDE to the area of tri

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 Sep 2022, 01:34

2

2,482

by: SaquibHGMATWhiz

08 Sep 2022, 05:23

ER

What is the ratio of the area to the circumference in circle X? (1)

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

13 Sep 2018, 02:26

1

2

1,390

by: GMATinsight

13 Sep 2018, 03:59

ER

What is the ratio of the average (arithmetic mean) height of

555-605 (Medium) | Statistics and Sets Problems

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

LADodgers

05 Nov 2004, 18:38

434

17

66,890

by: ManifestDreamMBA

21 Jun 2025, 02:11

ER

What is the ratio of the average (arithmetic mean) weight of students

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

15 Jan 2020, 02:28

3

2

2,952

by: bumpbot

24 Jun 2021, 19:12

ER

What is the ratio of the circumference of the outer circle to that of

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

30 Aug 2018, 04:53

1

2

1,807

by: PKN

30 Aug 2018, 07:05

ER

What is the ratio of the corresponding sides of two similar triangles?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

01 Jul 2016, 04:21

8

5

12,316

by: Gmat750aspirant

14 Feb 2025, 09:35

ER

What is the ratio of the cost price of a Hershey's Chocolate to its se

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

sritamasia

27 Nov 2021, 16:12

6

4

2,105

by: bumpbot

17 Jun 2025, 22:08

ER

What is the ratio of the number of bottles of Brand X to bottles of

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

19 Mar 2025, 00:30

1

3

612

by: GMATinsight

19 Mar 2025, 23:12

ER

What is the ratio of the number of boys to girls on the school bus?

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

05 Mar 2019, 04:59

2

3

2,092

by: ocelot22

05 Mar 2019, 11:05

ER

What is the ratio of the number of boys to the number of girls

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

24 Jun 2024, 01:30

7

2

1,107

by: vishallchoudhary

01 Jul 2024, 04:29

ER

What is the ratio of the number of burgers to the number of chicken

555-605 (Medium) | Fractions and Ratios, Word Problems

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

Bunuel

15 Oct 2025, 00:25

4

3

554

by: Missinga

15 Oct 2025, 20:07

ER

What is the ratio of the number of cups of flour to the number of cups

555-605 (Medium) | Fractions and Ratios, Word Problems

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

tharunv

17 Oct 2019, 05:19

73

13

34,940

by: bumpbot

15 Aug 2025, 08:01

ER

What is the ratio of the number of jeeps to the number of vans produce

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

10 Aug 2025, 22:00

4

3

461

by: Missinga

11 Aug 2025, 21:04

ER

What is the ratio of the number of men to the number of women at the

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

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

Bunuel

17 Apr 2018, 05:46

4

3,561

by: bumpbot

23 May 2023, 19:45

ER

What is the ratio of the prices of A and B? (1) Three years ago, the

555-605 (Medium) | Fractions and Ratios

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

Bunuel

14 Jul 2021, 04:00

1

1,125

by: Prar11

15 Jul 2021, 08:33

ER

What is the ratio of x to y, given that xy ≠ 0? (1) 3x = 4y (2) x = 4

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

22 Dec 2021, 02:30

2

1

1,276

by: BrentGMATPrepNow

22 Dec 2021, 07:59

ER

What is the ratio of x to y? (1) 5x = 2y (2) 2y = 7x – 8

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

11 Aug 2021, 07:00

2

1

2,428

by: TestPrepUnlimited

14 Aug 2021, 17:36

ER

What is the ratio of x to y? (1) The ratio of x to 2y is 4:3 (2) The

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

23 Mar 2020, 00:14

2

12,095

by: bumpbot

08 Mar 2023, 12:32

ER

What is the ratio of x to y? (1) 0.8x + 0.5y = 40 (2) 0.625y = 50 – x

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 May 2019, 03:30

2

4

1,894

by: bumpbot

22 Dec 2023, 04:01

ER

What is the ratio of x to y? (1) The ratio of 0.2x to 3y is 1 to 6.

505-555 (Easy) | Fractions and Ratios

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

Bunuel

05 Apr 2022, 01:30

3

1

2,043

by: TarunKumar1234

05 Apr 2022, 19:55

ER

What is the ratio of x to y? (1) the ratio of 0.62 to 1.8y is 3 to 2.

505-555 (Easy) | Fractions and Ratios

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

Bunuel

13 Jun 2022, 01:30

1

1,264

by: stne

21 Jun 2022, 09:32

ER

What is the ratio of x to y? (1) x is 30% less than y. (2) x is more

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

Bunuel

30 Jun 2021, 04:00

1

2

1,589

by: TestPrepUnlimited

01 Jul 2021, 09:11

ER

What is the ratio of x to y? (1) x is 4 more than twice y

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

03 Oct 2018, 01:56

16

3

13,446

by: bumpbot

31 Mar 2025, 08:05

ER

What is the ratio of x:y:z given xyz not equal to 0?

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

Bunuel

28 Mar 2023, 01:30

11

4

3,087

by: Adarsh_24

27 Nov 2024, 03:15

ER

What is the ratio of x:y:z?

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

lumone

27 Nov 2007, 08:17

113

18

25,805

by: bumpbot

19 Aug 2025, 12:05

ER

What is the ratio of x:y:z? (1) z = 1 and xy =32 (2) x/y = 2 and z/y =

Sub 505 (Easy) | Algebra, Fractions and Ratios

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

Bunuel

24 May 2018, 06:47

22

4

11,849

by: bumpbot

16 May 2024, 19:28

ER

What is the ratio of y to x ? (1) x/y = 2 (2) x − y = 2

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

07 May 2021, 19:00

1

889

by: MarmikUpadhyay

07 May 2021, 20:02

ER

What is the ratio of y to x?

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SirGMAT

02 Dec 2014, 08:21

15

6

7,083

by: Bunuel

02 Dec 2014, 08:21

ER

What is the ratio x : y: z ?

805+ (Hard) | Fractions and Ratios

805+ (Hard) | Fractions and Ratios hide tags

Ric123

10 Jan 2014, 03:14

46

10

16,243

by: Kushchokhani

09 Jun 2022, 00:28

What is the ratio x:y?

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

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

amanvermagmat

15 Feb 2018, 23:20

1

2

1,482

by: pushpitkc

17 Feb 2018, 07:08

ER

What is the remainder if the positive integer y is divided by 3?

Sub 505 (Easy) | Multiples and Factors +2 tags

Sub 505 (Easy) | Multiples and Factors, Number Properties, Remainders hide tags

Bunuel

11 Jul 2019, 00:47

3

3,144

by: BrentGMATPrepNow

12 Mar 2020, 07:40

ER

What is the remainder of n/15?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

cjcj

24 Sep 2015, 20:57

26

7

5,107

by: adityasuresh

28 Dec 2022, 03:08

ER

What is the remainder r when x is divided by 8? x is a posit

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

dimitri92

19 May 2010, 01:51

36

6

9,878

by: bumpbot

06 Dec 2023, 17:32

ER

What is the remainder when is divided by 6 if is a positiv

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

actleader

12 Nov 2012, 23:18

15

8

11,087

by: bumpbot

29 Oct 2025, 09:03

ER

What is the remainder when (n-1)*(n+1) is divided by 24?

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

akshayuberoi

31 Jan 2021, 05:20

2

2,357

by: mmdfl

17 Jun 2023, 17:45

ER

What is the remainder when 2^k is divided by 10?

555-605 (Medium) | Exponents, Remainders

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

Bunuel

27 Sep 2023, 05:15

2

1

1,078

by: LucienH

27 Sep 2023, 14:48

ER

What is the remainder when 2^n is divided by 10?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

MathRevolution

15 Aug 2018, 09:52

4

6

4,462

by: Kinshook

01 Aug 2020, 23:52