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

179

15

79,893

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

858

24

189,017

by: bumpbot

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,732

by: bb

29 Aug 2025, 13:27

ER

If the average (arithmetic mean) of six numbers j, k, m, n, p, and q

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

sananoor

28 Jul 2017, 04:01

9

5

6,649

by: bumpbot

22 Nov 2022, 07:08

ER

Which of the two values 10^(-2) and 10^(-3), is x more close

805+ (Hard) | Arithmetic, Exponents

805+ (Hard) | Arithmetic, Exponents hide tags

Smita04

22 Mar 2012, 03:49

84

11

11,179

by: SuxrobJamol

18 Nov 2022, 05:16

ER

John buys only chocolates and cookies from the market. Was the total

705-805 (Hard) | Arithmetic +2 tags

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

chetan2u

24 Feb 2016, 20:05

19

6

2,902

by: bumpbot

13 Nov 2022, 03:44

ER

If x, y, and z are distinct integers, which integer is the median of t

805+ (Hard) | Arithmetic, Sequences

805+ (Hard) | Arithmetic, Sequences hide tags

AbdurRakib

15 Nov 2018, 04:08

29

9

7,124

by: bumpbot

13 Nov 2022, 03:44

Truck T1 gives an average of M1 miles per gallon of petrol while truck

805+ (Hard) | Arithmetic, Distance and Speed Problems

805+ (Hard) | Arithmetic, Distance and Speed Problems hide tags

amanvermagmat

13 Jul 2018, 11:03

10

4

2,820

by: bumpbot

05 Nov 2022, 08:18

ER

If a, b, and c represent distinct digits, what is the value of the two

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

Bunuel

21 Mar 2017, 04:49

47

13

8,086

by: bumpbot

13 Oct 2022, 10:02

ER

Positive integers a, b and c are all less than 10. If the sum of all

805+ (Hard) | Arithmetic +2 tags

805+ (Hard) | Arithmetic, Combinations, Number Properties hide tags

Bunuel

11 Oct 2022, 02:01

23

6

4,594

by: chetan2u

12 Oct 2022, 00:06

ER

What is the value of y?

805+ (Hard) | Algebra +2 tags

805+ (Hard) | Algebra, Arithmetic, Roots hide tags

GGMU

24 Jun 2016, 08:21

143

18

15,039

by: bumpbot

18 Sep 2022, 11:16

ER

If each of the segments marked on the board above is of equal length,

505-555 (Easy) | Arithmetic, Geometry

505-555 (Easy) | Arithmetic, Geometry hide tags

Bunuel

27 Aug 2022, 01:45

1

1,850

by: av1901

01 Sep 2022, 21:09

ER

A team played more than 50 and less than 60 matches in an entire year.

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

amanvermagmat

11 May 2018, 01:52

7

3

2,086

by: SaquibHGMATWhiz

22 Aug 2022, 21:50

ER

In the figure above, two rectangular solids share a vertex S. P, Q, an

555-605 (Medium) | Arithmetic, Geometry

555-605 (Medium) | Arithmetic, Geometry hide tags

jkbk1732

24 May 2020, 08:38

20

2

6,699

by: bumpbot

12 Aug 2022, 09:14

ER

What is the arithmetic mean of 3x and 4y? (1) y/3 - x/4 = 4/3

555-605 (Medium) | Algebra, Arithmetic

555-605 (Medium) | Algebra, Arithmetic hide tags

amanvermagmat

12 Mar 2018, 04:26

2

4

2,687

by: bumpbot

06 Aug 2022, 06:53

ER

What is the two-digit number N?

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

monikaleoster

03 Nov 2012, 08:48

32

13

9,204

by: bumpbot

08 Jul 2022, 02:53

The temperature was measured once daily for 400 days. On 76% of these

805+ (Hard) | Arithmetic, Statistics and Sets Problems

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

natmyrrha

23 Jun 2019, 02:08

26

4

4,014

by: bumpbot

04 Jul 2022, 17:16

ER

A certain straight corridor has four doors, A, B, C and D (in that ord

Sub 505 (Easy) | Arithmetic, Word Problems

Sub 505 (Easy) | Arithmetic, Word Problems hide tags

Bunuel

11 May 2016, 03:20

4

2

15,050

by: bumpbot

16 May 2022, 00:09

If a, b and c are positive integers, what is the value of (a + b)(c +

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

devinawilliam83

08 Mar 2012, 22:57

22

10

7,309

by: Kinshook

05 May 2022, 22:42

ER

Each number in the arrangement above is obtained from the two nearest

505-555 (Easy) | Arithmetic

505-555 (Easy) | Arithmetic hide tags

Bunuel

18 Dec 2014, 07:05

11

6

6,155

by: bumpbot

05 Apr 2022, 10:26

What is x% of y? (1) x% more than y is 69 (2) x% less than y is 51

505-555 (Easy) | Arithmetic, Percent and Interest Problems

505-555 (Easy) | Arithmetic, Percent and Interest Problems hide tags

amanvermagmat

05 Mar 2018, 04:58

14

4

3,410

by: bumpbot

22 Mar 2022, 18:19

ER

If x is a three-digit number in which the hundreds digit is 1 greater

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

CAMANISHPARMAR

05 Apr 2020, 06:45

13

4

3,946

by: bumpbot

26 Feb 2022, 06:49

ER

If n is a three-digit positive integer, what is the sum of the digits

505-555 (Easy) | Arithmetic, Fractions and Ratios

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

Bunuel

15 Jul 2018, 21:19

12

3

8,985

by: bumpbot

21 Feb 2022, 04:38

ER

PQP is a three-digit number having digits P and Q; and RQS5 is a four-

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

Bunuel

28 Jul 2017, 01:22

7

3

3,356

by: bumpbot

22 Dec 2021, 18:13

ER

Does Meadow Park have a greater number of amphibians than reptiles wit

Sub 505 (Easy) | Arithmetic, Fractions and Ratios

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

EMPOWERgmatRichC

06 Oct 2019, 21:24

14

6

3,715

by: bumpbot

22 Nov 2021, 20:59

ER

Data Sufficiency Pack 3, Question 4 If |a - b| = 6...

805+ (Hard) | Absolute Values, Arithmetic

805+ (Hard) | Absolute Values, Arithmetic hide tags

EMPOWERgmatRichC

10 Nov 2015, 21:34

29

12

5,127

by: chetan2u

19 Oct 2021, 09:28

ER

In 1984 a certain union had a total of 15,600 members. Was the percent

Sub 505 (Easy) | Arithmetic

Sub 505 (Easy) | Arithmetic hide tags

anairamitch1804

16 Feb 2017, 18:48

8

5

6,818

by: bumpbot

13 Oct 2021, 05:09

ER

Are there fewer than 34 people standing in a line?..........

505-555 (Easy) | Arithmetic

505-555 (Easy) | Arithmetic hide tags

CAMANISHPARMAR

13 Apr 2020, 22:42

3

3,126

by: bumpbot

26 Aug 2021, 14:17

ER

What is the tens digit of two-digit positive integer w?

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

kevincan

21 Feb 2019, 12:52

12

4

3,075

by: bumpbot

08 Jul 2021, 20:03

ER

A certain highway has exits A, B, C, and D in that order. What is the

505-555 (Easy) | Arithmetic

505-555 (Easy) | Arithmetic hide tags

Bunuel

12 Oct 2017, 23:16

2

5

3,929

by: bumpbot

08 Jul 2021, 03:48

ER

The average age of P, Q, R and S is 30 years. How old is R?

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

Shaunakdesai

19 Feb 2021, 10:27

2

3

4,850

by: Bunuel

19 Feb 2021, 10:27

ER

What is the ratio of houses with smoke alarms to houses without smoke

Sub 505 (Easy) | Arithmetic, Fractions and Ratios

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

EMPOWERgmatRichC

30 Sep 2019, 20:32

7

5

3,117

by: Abramo

08 Feb 2021, 07:21

ER

Company M is completely composed of two subsidiaries, X and Y. Each

Sub 505 (Easy) | Arithmetic

Sub 505 (Easy) | Arithmetic hide tags

Sajjad1994

01 Jan 2021, 23:36

1

3

2,678

by: rocky620

04 Jan 2021, 05:46

ER

Each boy does exactly 2 units of work per day and each girl does

555-605 (Medium) | Arithmetic, Work and Rate Problems

555-605 (Medium) | Arithmetic, Work and Rate Problems hide tags

amanvermagmat

09 Jun 2018, 11:22

8

3

3,021

by: bumpbot

31 Oct 2020, 20:08

ER

If △ represents either ordinary division or ordinary multiplication

Sub 505 (Easy) | Arithmetic, Functions and Custom Characters

Sub 505 (Easy) | Arithmetic, Functions and Custom Characters hide tags

Bunuel

08 Oct 2020, 00:15

9

4

3,538

by: Akp880

08 Oct 2020, 05:41

ER

How much in royalties does a script writer get for a movie project

Sub 505 (Easy) | Arithmetic, Fractions and Ratios

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

Sajjad1994

04 Oct 2020, 01:04

2

3,309

by: IanStewart

07 Oct 2020, 10:38

ER

If a and b are positive integers larger than 1, is a^b > b^a?

805+ (Hard) | Arithmetic

805+ (Hard) | Arithmetic hide tags

tjerkrintjema

12 Jun 2015, 16:22

20

13

8,677

by: IanStewart

08 Sep 2020, 09:17

Is integer x odd?

555-605 (Medium) | Arithmetic, Number Properties

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

QuantMadeEasy

29 Jul 2020, 04:59

4

2

1,877

by: Nums99

29 Jul 2020, 20:43

ER

A company's sales team has 60% males and rest females.

555-605 (Medium) | Arithmetic, Percent and Interest Problems

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

amanvermagmat

11 Aug 2018, 22:59

8

2

2,919

by: bumpbot

27 Jul 2020, 16:06

What is the value of X?

555-605 (Medium) | Algebra, Arithmetic

555-605 (Medium) | Algebra, Arithmetic hide tags

fitzpratik

18 Jan 2019, 08:59

8

5

2,463

by: bumpbot

09 Jun 2020, 16:06

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

2,176

by: chetan2u

17 Apr 2020, 05:54

ER

A child selected a three-digit number, XYZ, where X, Y, and Z denote

Sub 505 (Easy) | Arithmetic, Number Properties

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

BillyZ

19 Apr 2017, 22:21

6

3

9,421

by: MathRevolution

01 Apr 2020, 10:25

ER

At least 10 cars have tinting window and fog light. 40% cars which hav

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

MathRevolution

14 Jun 2016, 09:06

9

4

3,130

by: bumpbot

09 Feb 2020, 11:13

ER

All of the shoppers in a grocery store are either male or female.

555-605 (Medium) | Algebra, Arithmetic

555-605 (Medium) | Algebra, Arithmetic hide tags

rocker007

28 Jan 2016, 12:31

5

4

4,455

by: bumpbot

05 Jan 2020, 02:50

ER

A box contains 30 beads, of which 15 are blue, 9 are red

Sub 505 (Easy) | Arithmetic, Word Problems

Sub 505 (Easy) | Arithmetic, Word Problems hide tags

enigma123

19 Mar 2012, 13:24

5

3

4,728

by: Bhawanshu

06 Nov 2019, 12:15

ER

Each packet of SOAP costs Rs. 10. Inside each packet is a gift coupon

605-655 (Medium) | Arithmetic, Word Problems

605-655 (Medium) | Arithmetic, Word Problems hide tags

excelingmat

04 Nov 2015, 10:36

5

3

5,077

by: adstudy

29 Oct 2019, 11:56

ER

What is the value of the two-digit positive integer XY, where X repres

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

Bunuel

01 Jul 2018, 20:41

5

4

3,271

by: bumpbot

26 Oct 2019, 11:55

ER

Each of the x, y and z represents a positive single-digit integer. How

505-555 (Easy) | Arithmetic

505-555 (Easy) | Arithmetic hide tags

Bunuel

24 Oct 2019, 00:59

1

2

2,981

by: TestPrepUnlimited

24 Oct 2019, 14:19

ER

If w + x + y + z = 100

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

EMPOWERgmatRichC

22 Oct 2019, 23:21

1

2,121

by: chetan2u

23 Oct 2019, 00:01

ER

What is the value of the greater of two numbers if one of the numbers

555-605 (Medium) | Arithmetic

555-605 (Medium) | Arithmetic hide tags

Bunuel

21 Oct 2019, 23:36

2

1

2,391

by: Archit3110

22 Oct 2019, 03:27

ER

Levon has carrots, Brussel sprouts, and celery sticks in his refrigera

Sub 505 (Easy) | Arithmetic, Fractions and Ratios

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

EMPOWERgmatRichC

07 Oct 2019, 19:48

2

3

2,126

by: EMPOWERgmatRichC

07 Oct 2019, 19:47

ER

A museum has 259 paintings and 11 sculptures. How many

Sub 505 (Easy) | Arithmetic, Fractions and Ratios

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

EMPOWERgmatRichC

01 Oct 2019, 20:55

5

4

2,934

by: Himali24

01 Oct 2019, 21:37

In how many years will Rs. 400 double itself?

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

JayPatadiya

04 Aug 2019, 07:26

7

3

1,887

by: JayPatadiya

27 Sep 2019, 12:30