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

176

15

78,708

by: thisisakr

16 Apr 2026, 11:46

ER

100 Hardest and easiest questions for DS as of March 2026

1, 2

Bunuel

01 Jan 2026, 05:45

856

24

188,518

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

487,926

by: bb

29 Aug 2025, 13:27

ER

If |x – y| = 5, what is the value of x?

Sub 505 (Easy) | Absolute Values

Sub 505 (Easy) | Absolute Values hide tags

Bunuel

23 Nov 2016, 03:13

4

2

3,523

by: bumpbot

21 Mar 2019, 15:43

ER

If f(n)=4^n-3^n and n is a positive integer

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

harshdeep12

06 Jun 2017, 12:16

2

2,251

by: Bunuel

08 Jun 2017, 15:22

ER

If m, n, and p are three-digit integers and m + n = p

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

monsama

25 Aug 2014, 03:42

54

15

11,266

by: bumpbot

17 Jul 2025, 03:06

ER

If r and s are integers, is r^2+s even?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Carcass

02 Nov 2018, 03:46

7

3

5,307

by: bumpbot

21 Nov 2023, 11:36

ER

If x and y are positive integers and x/y = 2, what is the value of x?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

07 May 2019, 00:58

5

3,273

by: MHIKER

10 Nov 2020, 08:08

ER

If y ≠ 0, is x/y=1/2?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Carcass

01 Nov 2018, 03:20

2

4,445

by: BrentGMATPrepNow

23 Nov 2021, 07:43

ER

If ^ represents one of the operations -, /, and *, is a^(b^c)

805+ (Hard) | Functions and Custom Characters

805+ (Hard) | Functions and Custom Characters hide tags

Bunuel

16 Aug 2019, 02:20

3

4

1,659

by: bumpbot

03 Jan 2025, 10:08

ER

If -10 < k < 10, is k > 0 ?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Shiv636

17 Jul 2012, 01:43

30

10

13,520

by: bumpbot

09 Dec 2025, 07:40

ER

If -25 < j < 25, is j > 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Sajjad1994

27 May 2017, 08:59

2

3

2,169

by: Heseraj

27 May 2017, 19:34

ER

If -2x > 3y, is x negative? (1) y > 0 (2) 2x + 5y - 20 = 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

dimitri92

23 May 2010, 00:35

151

11

26,298

by: totaltestprepNick

28 Feb 2026, 09:46

ER

If -3/4*x+3y-1/2=3/2*y-1/4*x what is the value of x?

Sub 505 (Easy) | Algebra, Fractions and Ratios

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

arvindg

01 Feb 2012, 14:38

2

3

4,918

by: bumpbot

18 Sep 2016, 10:10

ER

If -3x > 4y, is x < 0? (1) y > 0 (2) 3x + 5y – 20 = 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

21 Apr 2017, 07:55

20

7

4,057

by: bumpbot

03 Dec 2021, 07:52

ER

If -3x/4 + 3y - 1/2 = 3y/2 - x/4, what is the value x?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Oct 2019, 02:13

4

2,045

by: siddharthkapoor

12 Oct 2019, 03:20

ER

If -x is a prime number, what is the value of x?

555-605 (Medium) | Algebra, Number Properties

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

Bunuel

22 Jun 2017, 06:01

5

2,404

by: shashankism

22 Jun 2017, 06:17

ER

If –4 < k < 4, is k < 3 ? (1) (k + 4)(k –3) > 0 (2) k > 0

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

21 Mar 2017, 05:41

2

2,558

by: mohshu

23 Mar 2017, 01:41

ER

If –5 < k < 5, is k > 2 ? (1) (k – 1)(k – 5)(k – 2) < 0 (2) k – 1 > 0

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

14 Mar 2017, 03:05

10

6

2,832

by: MHIKER

23 Dec 2020, 14:20

ER

If –7 < k < 7, is k > 0 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

30 Jan 2017, 10:51

1

2

1,540

by: ankujgupta

02 Feb 2017, 19:19

ER

If –8 < k < 8, is k < –2 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

14 Mar 2017, 03:45

5

8

2,509

by: bumpbot

21 Apr 2021, 06:24

ER

If –9 < k < 9, is k > 0 ? (1) k/(k + 1) > 0 (2) k^2 > k

605-655 (Medium) | Inequalities

605-655 (Medium) | Inequalities hide tags

Bunuel

23 Feb 2022, 07:00

2

1

1,444

by: stne

06 Mar 2022, 22:07

ER

If –9 < k < 9, is k < 0 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

08 Jan 2017, 07:50

3

2,079

by: MathRevolution

14 Feb 2018, 00:40

ER

If ‘m’ is a positive integer, is “?^2 + 1” when divided by 10 leaves

555-605 (Medium) | Exponents, Remainders

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

Carcass

24 Jan 2022, 07:13

5

1

1,230

by: chetan2u

26 Jan 2022, 00:10

ER

If (|x| - 2)(x -1) = 0, then x = ? (1) x > 0 (2) -1 x 1

555-605 (Medium) | Absolute Values, Inequalities

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

Bunuel

12 May 2023, 06:30

4

2

1,361

by: SaquibHGMATWhiz

12 May 2023, 22:24

ER

If (3k)^x = 1, what is the value of k ? (1) k> 0 (2) x is a positive

705-805 (Hard) | Exponents, Number Properties

705-805 (Hard) | Exponents, Number Properties hide tags

Bunuel

19 Sep 2019, 21:25

18

13

3,049

by: bumpbot

26 Jan 2026, 13:41

ER

If (4a)^(1/2) integer, is (a)^(1/2) integer?

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

24 Jun 2017, 07:24

4

10

2,793

by: karanbishti

29 Jan 2024, 09:35

ER

If (a - b)/c > 0, is c < 0? (1) a^2 < b^2 (2) b/c < a/c

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

20 Mar 2020, 04:43

3

2

2,067

by: bumpbot

01 Feb 2022, 06:16

ER

If (a - b)/c < 0, is a > b ? (1) c < 0 (2) a + b < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

TGC

15 Jan 2022, 04:01

8

7

7,825

by: Cuttlefish

09 Feb 2024, 14:52

ER

If (a - b)/c < 0, is a > b ? (1) c < 0 (2) a + b < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

20 Mar 2023, 12:45

1

738

by: gmatophobia

20 Mar 2023, 23:57

ER

If (a^(1/2)*b^(1/3))^6 = 2000, what is the value of ab?

705-805 (Hard) | Exponents

705-805 (Hard) | Exponents hide tags

Bunuel

03 Aug 2020, 02:27

28

12

8,101

by: bumpbot

02 Jun 2023, 05:34

ER

If (a*b)*c implies (a + b) is a multiple of c, is [m*(−n)]*12? (1) m

605-655 (Medium) | Multiples and Factors, Remainders

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

CareerGeek

17 Jul 2019, 04:43

5

3

3,927

by: bumpbot

13 Apr 2023, 05:18

ER

If (ax + by)^2 = (bx + ay)^2, what is the value of a b ?

805+ (Hard) | Algebra

805+ (Hard) | Algebra hide tags

Bunuel

20 Nov 2022, 13:00

14

6

3,078

by: Bunuel

01 Jun 2024, 12:34

ER

If (H^2 - H) = T(1 - R^2)^(1/2)/(k(1 - g^k)^(1/2)), then 3H =

705-805 (Hard) | Algebra, Roots

705-805 (Hard) | Algebra, Roots hide tags

Bunuel

06 Sep 2019, 10:55

9

3

2,421

by: bumpbot

26 Jul 2023, 02:49

ER

If (n + 3)(n − 1) − (n − 2)(n − 1) = m(n − 1), what is the value of n?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

01 Nov 2018, 00:08

9

7

2,449

by: bumpbot

19 Jan 2026, 03:03

ER

If (p - q) is not equal to zero, what is the value of p/(p - q)?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

04 Jun 2018, 09:05

2

3

2,096

by: PKN

04 Jun 2018, 10:06

ER

If (p+q)>3 is q>1?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

rajthakkar

20 Feb 2015, 01:35

8

6

3,172

by: SatvikVedala

16 Jan 2023, 19:39

ER

If (r + t)/(r - t) > 0, is r > t? (1) t > 0 (2) r > 0

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Bunuel

04 Oct 2023, 05:15

2

1,225

by: iamsachin

05 Oct 2023, 00:58

ER

If (x - 1)(x - 2) = 0, x = ?

Poor Quality

Poor Quality hide tags

kuralaysn

13 Feb 2017, 00:43

2

3

2,622

by: Bunuel

13 Feb 2017, 02:23

ER

If (x - 1)y = 0, what is the value of x ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

11 Sep 2017, 00:32

9

6

7,330

by: bumpbot

19 Aug 2021, 07:15

ER

If (x - 3)y = 0, is |x - 3| > y ? (1) y = 0 (2) x ≠ 3

655-705 (Hard) | Absolute Values +2 tags

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

Russ19

30 Jun 2020, 08:51

9

4

2,342

by: Bunuel

16 Nov 2022, 01:44

ER

If (x - 6)(x - m) = x^2 + rx + k. What is the value of m?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

04 Jun 2018, 11:05

18

4

5,705

by: Fdambro294

15 Feb 2022, 19:49

ER

If (x - y)^2 = x^2 - y^2, what is the value of the non-zero integer xy

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

14 Jan 2020, 01:46

17

11

12,710

by: Basshead

03 Dec 2020, 17:20

ER

If (x - y)/(x + y) - (x + y)/(x - y) = 0, what is the value of x ?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

19 Jun 2023, 10:28

3

1

942

by: gmatophobia

19 Jun 2023, 11:24

ER

If (x + 1)y = 4, what is the value of x ? (1) xy = 2 (2) y > 0

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

11 Oct 2019, 01:53

4

1,246

by: Kinshook

11 Oct 2019, 10:11

ER

If (x + 3)(x − 2) − (x − 2)(x − 2) = y(x − 2), what is the value of x?

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

Bunuel

09 Dec 2019, 00:37

15

5

2,952

by: bumpbot

29 Jun 2021, 00:51

ER

If (x + 3)/(x 3) = y , what is the value of x? (1) (y + 10)^1/2 = 4

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

23 Jun 2022, 01:30

3

2

968

by: paragamrutkar

23 Jun 2022, 21:41

ER

If (x + y)/ z < 0 and z not equal to 0, then is the average of x, y, a

805+ (Hard) | Statistics and Sets Problems

805+ (Hard) | Statistics and Sets Problems hide tags

Bunuel

09 Feb 2022, 12:30

10

3

2,444

by: chetan2u

04 Oct 2023, 01:26

ER

If (x + y)/z > 0, is x < 0 ? (1) x < y (2) z < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

09 Jul 2012, 04:49

304

16

57,359

by: totaltestprepNick

23 Feb 2026, 13:19

ER

If (x + y)/z > 0, is x < 0?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

mojorising800

09 Jun 2010, 12:01

56

5

10,654

by: bumpbot

06 Jan 2026, 08:35

ER

If (x + y)/z = -2, is x positive? (1) z is negative. (2) y is positive

555-605 (Medium) | Fractions and Ratios

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

NoHalfMeasures

14 Jan 2016, 11:48

21

7

10,414

by: bumpbot

23 Nov 2025, 02:34

ER

If (x a)(x b) = 0, is b = s? (1) s < a (2) s is a root of x^2

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

11 May 2023, 01:30

4

1

998

by: Nabneet

11 May 2023, 07:43

ER

If (x a)(x b) = 0, is b = s? (1) s < a (2) s is a root of x^2

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

31 Jan 2023, 02:30

3

2

1,397

by: SatvikVedala

06 Mar 2023, 19:15