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

78,619

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

188,458

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

487,839

by: bb

29 Aug 2025, 13:27

ER

In the figure above three lines cross as shown above, what is the valu

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

14 Sep 2018, 02:00

4

1,192

by: rahul16singh28

14 Sep 2018, 23:35

ER

Last year, Hanna's yearly income was 20 percent less than Janet's, but

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

GMATBusters

22 Jun 2018, 09:07

1

1,192

by: Gladiator59

22 Jun 2018, 10:10

ER

Of the 58 drinks sold at Darlenes Beverage Shop, 21 are carbonated.

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

30 Oct 2024, 01:30

1

1,193

by: siddhantvarma

06 Nov 2024, 21:42

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

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

TheUltimateWinner

21 Feb 2021, 22:29

2

1,193

by: RohitSinha

21 Feb 2021, 22:55

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Is a > b? (1) a + 1 > b (2) a > b + 1

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

22 Jul 2019, 02:01

2

1,193

by: KSBGC

22 Jul 2019, 04:01

ER

Two players Lampard and Essien had a certain number of chocolates with

705-805 (Hard) | Word Problems

705-805 (Hard) | Word Problems hide tags

Bunuel

30 Jul 2024, 01:30

5

2

1,194

by: Nidzo

31 Jul 2024, 01:37

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A store has several cans of blue paint and several cans of red paint

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

14 May 2024, 01:30

7

3

1,194

by: Bunuel

19 May 2024, 00:37

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If M and N are positive integers greater than 1, what is the remainder

655-705 (Hard) | Exponents, Remainders

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

Bunuel

19 Jun 2023, 01:30

4

2

1,194

by: zhanbo

19 Jun 2023, 07:05

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How many day traders currently work at ScanCo? (1) 50% of the current

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

01 Feb 2021, 13:47

2

1

1,194

by: GMATinsight

22 Feb 2021, 22:36

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Is (x+y-3)^2 divisible by 4?

805+ (Hard) | Multiples and Factors

805+ (Hard) | Multiples and Factors hide tags

GMATBusters

21 Sep 2019, 09:44

4

1

1,194

by: GMATBusters

23 Sep 2019, 02:59

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A total of $5,600 in bonuses was given to three member of the sales te

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

30 Apr 2018, 08:18

1

1,194

by: EgmatQuantExpert

30 Apr 2018, 22:47

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If x, y, and z are positive integers, is x + y divisible by 5?

555-605 (Medium) | Multiples and Factors

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

Bunuel

17 Nov 2023, 07:04

2

1

1,195

by: axeller

17 Dec 2023, 02:32

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Is x = 4 a solution to the equation x^2 + mx 48 = 0?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Feb 2023, 02:30

2

1

1,195

by: gmatophobia

02 Feb 2023, 07:43

ER

As the figure shown above, the taller tree is 30 feet high and has a 4

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

07 Oct 2022, 03:00

1

1,195

by: SaquibHGMATWhiz

07 Oct 2022, 05:17

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If xy 0, is x < y ? (1) x^4 < y^4 (2) x^(-3) < x^(-3)

605-655 (Medium) | Exponents, Inequalities

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

Bunuel

13 Apr 2022, 04:30

3

1

1,195

by: siglon

13 Apr 2022, 11:35

ER

What is the value of x? (1) 4/x + 4 + x = 0 (2) 6/x + 1 = x

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Feb 2021, 13:45

1

1,195

by: chetan2u

01 Feb 2021, 19:13

Marcus wants to deposit his money in two different banks for two years

555-605 (Medium) | Percent and Interest Problems

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

sherlocked221B

20 Jul 2024, 06:28

3

2

1,196

by: Ayeka

27 Sep 2024, 09:51

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Is x > 0 ? (1) |x 2| < 7 (2) x < 11

505-555 (Easy) | Absolute Values, Inequalities

505-555 (Easy) | Absolute Values, Inequalities hide tags

Bunuel

01 Aug 2023, 01:30

1

1,196

by: gmatophobia

01 Aug 2023, 14:18

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What is the value of 3^(a + 2b)/3^(a - b)? (1) a = 3 (2) b = 1

555-605 (Medium) | Exponents

555-605 (Medium) | Exponents hide tags

Bunuel

11 Nov 2023, 06:41

1

1,197

by: VivekSri

12 Nov 2023, 00:51

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If k is a positive integer, is k a multiple of 3 ?

555-605 (Medium) | Multiples and Factors

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

Bunuel

18 Nov 2022, 03:38

1

1,197

by: gmatophobia

18 Nov 2022, 06:52

ER

If n is a positive integer, what is the remainder when n is divided by

505-555 (Easy) | Remainders

505-555 (Easy) | Remainders hide tags

Bunuel

13 Oct 2022, 01:30

1

1,197

by: aashi1

10 Nov 2022, 06:16

ER

Is |x| > 3? (1) |x - 1| 2 (2) x^2 = 3x

605-655 (Medium) | Absolute Values, Inequalities

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

GMATinsight

05 Feb 2021, 06:38

3

2

1,197

by: Archit3110

07 Feb 2021, 03:27

ER

Is x + 1 odd? (1) 2x + 5 is odd. (2) x + 6 is odd.

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

05 Mar 2019, 05:20

2

1,197

by: Archit3110

05 Mar 2019, 11:45

ER

If m and n are positive integers, is m/n < 3/7 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

21 Mar 2018, 05:39

2

1,197

by: Madhavi1990

27 Mar 2018, 00:51

ER

A private investigator charges a total of & dollars

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Gmat750aspirant

18 Apr 2025, 09:54

4

2

1,198

by: Mayanksureka

18 Apr 2025, 10:13

ER

During a particular period, water enters a partially filled reservoir

Sub 505 (Easy) | Distance and Speed Problems

Sub 505 (Easy) | Distance and Speed Problems hide tags

Bunuel

03 Sep 2024, 01:30

2

3

1,198

by: Krunaal

03 Sep 2024, 14:08

ER

If the average (arithmetic mean) of set A is 100 and the average

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

21 Jun 2023, 04:00

1

1,198

by: gmatophobia

21 Jun 2023, 14:34

ER

If x, y are positive integers, is xy = 1? (1) x^2y^2 = xy (2) 1/y = x

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

25 Apr 2023, 10:30

1

1,198

by: SaquibHGMATWhiz

15 May 2023, 21:31

ER

If x is an integer and |x| + x/3 < 5, what is the value of x ?

605-655 (Medium) | Absolute Values, Inequalities

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

Bunuel

11 Apr 2023, 09:45

1

1,198

by: gmatophobia

11 Apr 2023, 14:10

ER

How many 360-degree rotations did a bicycle wheel make while rolling

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

26 Dec 2022, 02:30

2

1

1,198

by: gmatophobia

26 Dec 2022, 08:24

ER

What is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

GMATUser1928843

26 Jun 2022, 13:25

2

1

1,198

by: thkkrpratik

10 Jul 2022, 23:49

ER

If t and r are positive integers and both have the same digits but wit

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

02 Nov 2016, 02:44

2

1,198

by: GSBae

03 Nov 2016, 01:41

ER

If N is a positive integer greater than 1, what is the value of N?

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

18 Aug 2023, 01:30

3

2

1,199

by: sanchitb23

18 Aug 2023, 10:37

ER

If a > 2, is b < 1 ? (1) ab < 2 (2) ab > 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

05 May 2021, 02:30

1

1,199

by: MarmikUpadhyay

05 May 2021, 22:19

ER

Is x = 9? (1) x^2 – 7x – 18 = 0 (2) x^2 – 10x + 9 = 0

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

14 Jul 2019, 23:35

1

2

1,199

by: kitipriyanka

14 Jul 2019, 23:59

ER

If m and n are integers, is km + n > 0? (1) k < 0 (2) km n < 0

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

26 Sep 2022, 01:30

1

2

1,200

by: darunp

29 Sep 2022, 00:02

ER

If xy 0, what is the ratio of y to x? (1) y = 3x (2) x = 11

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

16 Mar 2022, 02:30

1

1,200

by: Sr1994

16 Mar 2022, 03:07

We are given a decimal number P = 12.abc where a, b, and c are the ten

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

happypuppy

14 Jan 2022, 10:21

3

1,200

by: hientranzx

16 Jan 2022, 00:46

ER

Is X an even integer ?

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Poor Quality hide tags

AnisMURR

12 Oct 2020, 10:58

4

5

1,200

by: VoltAmpere

15 Oct 2020, 17:49

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The selling price of a newly launched laptop is set as the manufacturi

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

mangamma

22 May 2019, 08:25

1

1,200

by: IanStewart

22 May 2019, 09:04

ER

All of the students in a certain class took a test consisting of 20

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

04 Mar 2025, 01:30

5

4

1,201

by: GMATinsight

30 Jun 2025, 03:05

ER

Give the arithmetic mean of A and B.

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

31 Jan 2019, 01:37

1

2

1,201

by: EgmatQuantExpert

31 Jan 2019, 07:31

ER

Any term in the sequence (except for the first and last terms) is the

555-605 (Medium) | Sequences

555-605 (Medium) | Sequences hide tags

Bunuel

25 Mar 2024, 01:30

5

2

1,202

by: BongBideshini

13 Apr 2026, 18:13

ER

If p and q are integers, then what is the units digit of 155^9q +

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

gmatophobia

17 Dec 2022, 13:26

1

2

1,202

by: TheBipedalHorse

20 Dec 2022, 12:02

ER

A marble is selected at random from a box of red, yellow, and blue

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

17 Nov 2022, 02:30

1

1,202

by: gmatophobia

17 Nov 2022, 13:08

ER

If x, y, and z are positive integers, is xy divisible by z ?

605-655 (Medium) | Multiples and Factors

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

Bunuel

12 Sep 2022, 16:30

1

1,202

by: gmatophobia

12 Sep 2022, 21:49

ER

What is the area of the rectangle ABCD? (1) BD = 5 (2) AC = 5/3*BC

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

07 Sep 2018, 00:47

2

1,202

by: souvonik2k

08 Sep 2018, 11:41

If A and B are non-negative integers, what is the value of 10*A + 20*B

555-605 (Medium) | Inequalities, Number Properties

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

amanvermagmat

07 May 2018, 23:00

3

2

1,202

by: push12345

23 May 2018, 08:08

ER

Is a + b = a^2 + b^2? (1) a and b are natural numbers. (2) a > b

705-805 (Hard) | Algebra

705-805 (Hard) | Algebra hide tags

SukhAgam

26 Feb 2025, 21:21

2

3

1,203

by: Kinshook

28 Feb 2025, 01:22

ER

If x and y are integers, does 2xy = x^2+y^2 ?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

06 Mar 2023, 02:30

1

1,203

by: bv8562

08 Mar 2023, 05:52