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

79,004

by: thisisakr

16 Apr 2026, 11:46

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100 Hardest and easiest questions for DS as of April 2026

1, 2

Bunuel

01 Jan 2026, 05:45

857

24

188,690

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

488,205

by: bb

29 Aug 2025, 13:27

ER

Two polygons A and B have number of sides as a and b respectively, wha

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

06 May 2020, 22:39

8

4

4,387

by: poojakhanduja3017

07 May 2020, 15:13

ER

A deli sells both orange Juice and apple Juice. A case of apple Juice

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Nikhil

01 Dec 2018, 10:04

1

6

3,019

by: Keyurneema

07 May 2020, 10:24

ER

If both x and y are integers, is (x^2 − y^2)^(1/2) an integer?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

11 Jul 2019, 05:24

3

5

4,016

by: bumpbot

07 May 2020, 07:47

ER

If k is a positive integer, is

555-605 (Medium) | Inequalities, Number Properties

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

GMATBusters

01 May 2020, 05:53

4

2

1,231

by: CrackverbalGMAT

07 May 2020, 04:31

ER

Anya has Rs 1500 more than Govind. How much money does Anya have?

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

GMATBusters

30 Apr 2020, 23:18

2

1,351

by: CrackverbalGMAT

07 May 2020, 04:14

ER

Given that x and y are positive integers, what is the units digit of

555-605 (Medium) | Exponents +2 tags

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

Bunuel

29 Feb 2016, 12:30

26

5

5,049

by: bumpbot

07 May 2020, 02:36

ER

Is 5m^k > 50k?

505-555 (Easy) | Exponents, Inequalities

505-555 (Easy) | Exponents, Inequalities hide tags

Bunuel

04 Jan 2017, 01:59

3

4

2,989

by: bumpbot

05 May 2020, 23:36

ER

On a certain field trip, the ratio of teachers to students was 3 : 7.

505-555 (Easy) | Fractions and Ratios

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

Bunuel

14 Nov 2014, 09:57

15

7

6,114

by: bumpbot

05 May 2020, 06:14

ER

If the product of the digits of a two-digit number x is 6, what is the

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

13 Apr 2016, 13:09

4

5

6,362

by: bumpbot

05 May 2020, 05:49

Is x positive?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

MYGMAT2019

23 Apr 2019, 16:14

1

4

4,421

by: bumpbot

04 May 2020, 18:32

ER

x is a positive integer; is x + 17,283 odd?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Bunuel

31 May 2016, 02:43

2

3

3,010

by: bumpbot

04 May 2020, 03:33

ER

Is x > 0? (1) (x^2 - 1)(x^3) > 0 (2) x^2 < 1

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

jennysussna

10 Sep 2018, 18:53

6

9

4,843

by: minustark

03 May 2020, 14:26

ER

If 1 < p < 2, is the tenths’ digit of the decimal representation of p

555-605 (Medium) | Fractions and Ratios +2 tags

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

Bunuel

21 Sep 2018, 01:42

4

2,103

by: bumpbot

03 May 2020, 04:38

ER

If f(x) = (x^6 + 1)/x^2 for all non-zero values of x, then what is the

505-555 (Easy) | Absolute Values, Functions and Custom Characters

505-555 (Easy) | Absolute Values, Functions and Custom Characters hide tags

Bunuel

08 Jan 2017, 07:46

9

4

3,868

by: bumpbot

02 May 2020, 11:55

ER

Is x > y ? (1) x >= (y - 2)^2 - 1 (2) y < |x|

705-805 (Hard) | Absolute Values

705-805 (Hard) | Absolute Values hide tags

Bunuel

01 May 2020, 03:17

14

7

2,602

by: ShankSouljaBoi

02 May 2020, 10:24

ER

Is Sum of factors of Integer n Even? 1) 48/n is an Integer 2) 1/n is

705-805 (Hard) | Multiples and Factors, Number Properties

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

GMATinsight

01 May 2020, 21:26

7

1

1,330

by: nick1816

02 May 2020, 00:05

ER

In a car race between A and B over a distance of 60 miles

555-605 (Medium) | Distance and Speed Problems

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

chetan2u

20 Apr 2016, 22:47

8

5

3,389

by: bumpbot

01 May 2020, 23:27

ER

Is the slope of Line L > 0? 1) Line L does NOT pass through Quandrant

655-705 (Hard) | Coordinate Plane

655-705 (Hard) | Coordinate Plane hide tags

GMATinsight

01 May 2020, 00:49

2

982

by: Archit3110

01 May 2020, 08:44

ER

If a, b, c and d are integers, how many of these are odd?

605-655 (Medium) | Inequalities, Number Properties

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

chetan2u

30 Apr 2020, 01:11

7

2,454

by: freedom128

01 May 2020, 03:36

ER

At a furniture store, each chair sells for the same price an

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

avohden

09 Oct 2013, 18:17

2

5

3,447

by: Alvarito

29 Apr 2020, 20:03

ER

Is t=|r−s|?

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

29 Apr 2016, 02:45

8

6

3,778

by: AntonioGalindo

29 Apr 2020, 15:15

ER

x - y = 5? (1) x*y = y(y + 5) (2) xy ≠ 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Casey1985

31 Jan 2020, 22:00

11

8

2,461

by: Bunuel

28 Apr 2020, 00:26

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

If x is an Integer. Does x have greater than or equal to 3 factors?

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

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

GMATinsight

17 Oct 2016, 05:03

5

3

2,959

by: bumpbot

26 Apr 2020, 17:32

ER

If a light bulb is selected at random from a shipment, what is the pro

Sub 505 (Easy) | Probability

Sub 505 (Easy) | Probability hide tags

Bunuel

24 Apr 2020, 02:11

7

8

6,810

by: exc4libur

26 Apr 2020, 15:54

ER

Is the line L1 steeper than line L2?

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

GMATBusters

25 Apr 2020, 19:45

7

13

4,143

by: jrk23

26 Apr 2020, 07:33

A triangle ABC has points D and E which lie on sides AB and AC respect

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

amanvermagmat

28 Jun 2018, 11:27

3

2

2,836

by: Shishou

25 Apr 2020, 07:04

ER

P > Q > R > S, and all of them are integers. S is positive, is

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

Evo23

24 Apr 2020, 21:11

1

1,032

by: chetan2u

24 Apr 2020, 21:41

ER

If n is a positive integer and m = 6.2*10^n, what is the value of m?

605-655 (Medium) | Exponents, Inequalities

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

Bunuel

20 Aug 2019, 01:49

2

6

2,292

by: chetan2u

24 Apr 2020, 07:34

ER

If xy ≠ 0, what is the ratio of x to y?

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

22 Apr 2020, 02:43

5

3,510

by: CrackverbalGMAT

23 Apr 2020, 00:30

ER

The perimeter of a rectangular window is 28 feet. What is the length

705-805 (Hard) | Geometry

705-805 (Hard) | Geometry hide tags

rocketmandoman

04 Apr 2019, 23:59

9

10

2,801

by: UJJWALGULHANI

22 Apr 2020, 10:58

ER

How many distinct factors does positive integer k have?

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

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

Bunuel

25 Nov 2014, 08:33

10

7

6,726

by: bumpbot

22 Apr 2020, 10:24

ER

If m and n are positive integers and

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

MathRevolution

26 Jul 2018, 01:44

3

5

2,721

by: rsmalan

22 Apr 2020, 00:31

ER

If x and y are integers, what is the maximum value of x +2y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

shameekv1989

21 Apr 2020, 17:47

1

2

1,664

by: CrackverbalGMAT

21 Apr 2020, 23:31

ER

Of the high school students who participated in a recent survey, 110

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

02 Nov 2017, 02:00

4

5

4,848

by: bumpbot

21 Apr 2020, 14:04

ER

Is Z an integer?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

AjChakravarthy

10 Jan 2015, 14:05

21

10

8,236

by: bumpbot

21 Apr 2020, 00:17

ER

Is m > n ? (1) m^2 + n^2 > 2mn (2) |m|n = m|n|

605-655 (Medium) | Absolute Values +2 tags

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

Bunuel

20 Apr 2020, 04:12

14

7

7,590

by: sauravleo123

20 Apr 2020, 21:57

ER

In the diagram below, PQ is a diameter of the circle having center at

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

Bunuel

23 Jul 2017, 23:18

21

11

4,940

by: fskilnik

20 Apr 2020, 09:45

ER

If two ballet classes have 15 children each

Sub 505 (Easy) | Statistics and Sets Problems

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

Caroline1606

15 Apr 2019, 07:00

1

2

3,381

by: BrentGMATPrepNow

20 Apr 2020, 09:44

Is the positive integer p even? (1) p^2 + p is even (2) 4p + 2 is even

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

jaison6101

18 Apr 2020, 18:38

3

6,780

by: LeoN88

19 Apr 2020, 19:51

ER

If X and Y are two empty rectangular boxes each with a remov

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

TooLong150

29 Sep 2013, 15:10

4

2

2,860

by: bumpbot

19 Apr 2020, 14:25

ER

At Garcia's market a certain brand of cocoa is sold in boxes

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

fozzzy

07 Sep 2013, 01:56

4

3

2,343

by: bumpbot

19 Apr 2020, 13:39

ER

Is the average (arithmetic mean) of a and b greater than 30?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

28 Dec 2017, 21:39

1

2

1,638

by: preetamsaha

19 Apr 2020, 08:43

ER

What is the value of x + y ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Sajjad1994

10 Apr 2020, 02:56

1

2

1,342

by: CrackverbalGMAT

19 Apr 2020, 07:45

ER

if r,n, and s are nonzero numbers How many integers n are there such t

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

GMATBusters

18 Apr 2020, 05:02

3

2

1,414

by: sauravleo123

19 Apr 2020, 00:12

ER

Is r^6*s^3*t^4 negative?

655-705 (Hard) | Inequalities, Number Properties

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

GMATBusters

18 Apr 2020, 06:56

3

7

1,698

by: sauravleo123

18 Apr 2020, 11:55

ER

If a*b*c≠0, Is a*b^2*c^3 > 0? 1) a^b >0 2) b^c > 0

555-605 (Medium) | Exponents, Inequalities

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

GMATinsight

18 Apr 2020, 07:20

7

2

1,649

by: Archit3110

18 Apr 2020, 09:39

ER

Is the average (arithmetic mean) of a and b positive?

Sub 505 (Easy) | Statistics and Sets Problems

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

Bunuel

10 May 2017, 02:39

3

2,365

by: preetamsaha

17 Apr 2020, 11:32

ER

If x, a 3-digit number, is sum of two 2-digit numbers, y and z, then w

655-705 (Hard) | Arithmetic, Number Properties

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

chetan2u

17 Apr 2020, 00:34

3

2

2,163

by: chetan2u

17 Apr 2020, 05:54

ER

At a community event, the total number of men, women, and children in

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

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

Bunuel

16 Apr 2020, 02:12

10

9

4,822

by: lacktutor

17 Apr 2020, 00:36