GMAT Club Forum

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

Bunuel

25 Oct 2022, 08:11

60

7

25,470

by: unicornilove

22 May 2024, 11:49

ER

100 Hardest and easiest questions for DS as of May 2024

Bunuel

21 Aug 2015, 03:42

779

19

163,206

by: bumpbot

28 Nov 2023, 14:32

ER

DS Question Directory by Topic and Difficulty

bb

07 Mar 2012, 08:58

1,424

0

449,850

by: bb

07 Mar 2012, 08:58

ER

Is a > 85? (1) b > 75 (2) c > 95

555-605 Level | Geometry

555-605 Level | Geometry hide tags

Bunuel

21 Feb 2018, 21:51

4

6

2,356

by: Loser94

15 Jan 2019, 09:14

ER

Is a > 5? (1) 8a ≥ 40 (2) 4a + 6 ≤ 25

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

16 Feb 2022, 07:00

2

894

by: Charli08

17 Feb 2022, 15:42

ER

Is a > 3b? (1) a/b > 3 (2) b > 3

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

08 Sep 2021, 08:30

3

1,929

by: bumpbot

08 Jun 2023, 11:17

ER

Is a > 2? (1) 1/a < 1/2 (2) a^(1/2) > 2^(1/2)

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

Bunuel

02 Jun 2023, 09:45

3

642

by: gmatophobia

02 Jun 2023, 23:00

ER

Is a > 10?

605-655 Level | Inequalities

605-655 Level | Inequalities hide tags

Creeper300

07 Nov 2010, 13:45

9

5

2,682

by: bumpbot

29 Sep 2017, 23:48

ER

Is a > 0? 1) a − 1 > b + 1 2) a + b − 1 > a − b + 1

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Russ19

20 Feb 2021, 07:24

1

2

835

by: Archit3110

20 Feb 2021, 10:00

ER

Is a > 0? (1) a + b > 1 (2) b - a < 1

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Hoozan

31 Mar 2021, 00:27

1

5

1,018

by: ravigupta2912

31 Mar 2021, 08:36

ER

Is a > 0?

655-705 Level | Number Properties

655-705 Level | Number Properties hide tags

chetan2u

21 Jan 2017, 07:44

6

2,750

by: chetan2u

10 Jun 2017, 20:08

ER

Is a > 0 ? (1) bc > 0 and ab < 0 (2) b < 0

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

23 May 2023, 01:30

3

867

by: chanhthang1802

23 May 2023, 20:28

ER

Is a > 0 ? (1) ab = 25 (2) b^(1/2) > 1

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

GMATBusters

06 Feb 2020, 09:34

3

781

by: QuantMadeEasy

06 Feb 2020, 21:22

ER

Is a > |b|? (1) 2^(a - b) > 16 (2) |a b| < b

805+ Level | Absolute Values +2 tags

805+ Level | Absolute Values, Exponents, Inequalities hide tags

1, 2

EgmatQuantExpert

20 May 2015, 10:32

119

22

15,468

by: bumpbot

23 Sep 2023, 00:50

ER

Is a > |b| ? (1) 2^(a - b) > 16 (2) |a - b| < b

705-805 Level | Absolute Values, Inequalities

705-805 Level | Absolute Values, Inequalities hide tags

Bunuel

17 Jan 2023, 09:15

3

1

629

by: gmatophobia

21 Jan 2023, 00:09

ER

Is a > (3b)/2, where a and b are real numbers? (1) b < a/2 (2) a and

705-805 Level | Inequalities, Number Properties

705-805 Level | Inequalities, Number Properties hide tags

amanvermagmat

23 Jul 2018, 21:11

5

3

1,753

by: bumpbot

27 Jul 2023, 04:59

ER

Is a – b > 2.5 ? (1) a > b + 2.5 (2) a = 3 + b

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

09 Feb 2022, 09:00

3

2

1,227

by: bumpbot

06 Feb 2024, 03:06

ER

Is a - d < b - c?

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

BrentGMATPrepNow

29 Oct 2016, 09:35

8

4

2,502

by: bumpbot

01 Jun 2023, 10:14

ER

Is a - b < 7 ? (1) b < -17 (2) 5 > -a

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

11 Feb 2023, 02:33

1

728

by: gmatophobia

12 Feb 2023, 09:31

ER

Is a - b >= 3 ?

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

28 Oct 2015, 06:58

1

4

2,308

by: GMATinsight

28 Oct 2015, 09:31

ER

Is a - b > 0?

655-705 Level | Inequalities

655-705 Level | Inequalities hide tags

NYCgirl15

23 Apr 2015, 16:03

1

4

2,853

by: bumpbot

31 May 2019, 23:22

ER

Is a - 3b an even number?

805+ Level | Number Properties

805+ Level | Number Properties hide tags

chetan2u

21 Dec 2009, 13:24

61

14

10,456

by: bumpbot

21 May 2023, 01:03

ER

Is 96 divisible by integer x?

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

27 Oct 2019, 21:39

10

1,937

by: Kinshook

28 Oct 2019, 22:29

ER

Is 90x > x55? (1) The value of x is closer to 55 than to 90.

555-605 Level | Inequalities

555-605 Level | Inequalities hide tags

Bunuel

10 Feb 2023, 02:30

2

1

583

by: $!vakumar.m

10 Feb 2023, 04:29

ER

Is 9,5a8 divisible by 6, where a is some number from the set {0, 1, 2,

505-555 Level | Multiples and Factors, Number Properties

505-555 Level | Multiples and Factors, Number Properties hide tags

Bunuel

27 Apr 2022, 04:30

4

3

901

by: GMATWhizTeam

20 May 2022, 13:38

Is 9 the HCF of p and q?

655-705 Level | Multiples and Factors

655-705 Level | Multiples and Factors hide tags

TBT

12 Mar 2023, 09:58

1

3

1,136

by: gmatophobia

23 May 2023, 11:12

ER

Is 9 the HCF of p and q?

705-805 Level | Number Properties

705-805 Level | Number Properties hide tags

GMATBusters

23 May 2020, 19:09

21

15

4,347

by: Fdambro294

04 Nov 2021, 00:38

ER

Is 81^a = 3^(b - 1)? (1) 3a + 1 = b - a (2) a = 3

555-605 Level | Exponents

555-605 Level | Exponents hide tags

Bunuel

19 Sep 2023, 08:45

1

2

651

by: nasgmatbag

24 Sep 2023, 09:27

ER

Is 8^x+8 divisible by 10?

655-705 Level | Exponents, Multiples and Factors

655-705 Level | Exponents, Multiples and Factors hide tags

TheUltimateWinner

10 Oct 2020, 08:09

8

4

1,205

by: bumpbot

24 Oct 2023, 05:43

ER

Is 8^x > 4^y? (1) x > y (2) 3x > 2y

705-805 Level | Exponents, Inequalities

705-805 Level | Exponents, Inequalities hide tags

MathRevolution

15 Mar 2016, 18:48

34

6

6,334

by: bumpbot

03 Jan 2024, 21:04

ER

Is 729 a member of set S?

605-655 Level | Statistics and Sets Problems

605-655 Level | Statistics and Sets Problems hide tags

Bunuel

19 Jan 2021, 01:15

9

4

1,922

by: bumpbot

30 Oct 2022, 09:10

ER

Is 70/7^n an integer?

555-605 Level | Number Properties

555-605 Level | Number Properties hide tags

chetan2u

03 May 2016, 04:48

4

2

1,745

by: bumpbot

24 Aug 2017, 07:22

ER

Is 7^x greater than 2,500?

655-705 Level | Exponents, Inequalities

655-705 Level | Exponents, Inequalities hide tags

Bunuel

28 Aug 2015, 02:41

5

10

3,640

by: bumpbot

12 Jan 2022, 06:35

ER

Is 7^x > 350? (1) 7^(x+1) > 400 (2) 7^(x-1) > 50

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Bunuel

14 Apr 2023, 01:30

4

3

720

by: hinasingh

14 Apr 2023, 06:51

ER

Is 7^x > 100 ? (1) 7^(x+2) > 9,800 (2) 7^(2x) > 10,000

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Bunuel

05 Nov 2019, 06:10

28

6

6,300

by: bumpbot

29 Aug 2023, 10:35

ER

Is 7^7/7^x an integer?

655-705 Level | Algebra +2 tags

655-705 Level | Algebra, Exponents, Number Properties hide tags

aramjung

19 Mar 2010, 19:35

34

3

12,738

by: bumpbot

25 Oct 2023, 07:40

ER

Is 7^(x + 2)/49 > 1 ?

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Bunuel

16 Dec 2017, 02:00

3

4

1,834

by: firas92

23 Aug 2019, 19:39

ER

Is 7 the hcf of p and q ? 1) p=7q+7 2) q is a multiple of 7

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Pranjal3107

26 Aug 2021, 14:15

7

6

1,965

by: chetan2u

14 May 2022, 05:16

ER

Is 7 < n^(1/2) < 8? (1) n > 50 (2) n < 60

Sub 505 Level | Inequalities, Roots

Sub 505 Level | Inequalities, Roots hide tags

cmugeria

17 Aug 2010, 08:45

14

9

9,848

by: Snehaaaaa

21 Jan 2022, 11:09

ER

Is 6x/13 an integer? (1) x is a prime number (2) 3x is divisible by 13

Sub 505 Level | Multiples and Factors, Number Properties

Sub 505 Level | Multiples and Factors, Number Properties hide tags

Bunuel

15 Jan 2020, 02:21

4

3

2,371

by: bumpbot

02 May 2021, 20:42

ER

Is 6 a factor of positive integer x ?

705-805 Level | Remainders

705-805 Level | Remainders hide tags

Bunuel

18 Dec 2020, 01:15

5

8

1,704

by: hunter2000

21 Dec 2020, 01:59

ER

Is 6 a factor of n + 3 ? (1) n is even and divisible by 3 (2) n is d

555-605 Level | Multiples and Factors

555-605 Level | Multiples and Factors hide tags

Bunuel

08 Dec 2023, 02:30

1

699

by: AzizbekMalikov

08 Dec 2023, 03:44

ER

Is 5x − 25 odd? (1) (x+2)(x−3)= 0 (2) x is not a factor of 10.

605-655 Level | Number Properties

605-655 Level | Number Properties hide tags

divyadamahe

21 Feb 2019, 23:40

4

3,452

by: bumpbot

11 Jan 2024, 18:31

ER

Is 5x + 4y = 9 ? where x and y are integers. (1) xy > 0 (2) x > 0 a

Poor Quality

Poor Quality hide tags

sumit99kr

22 Jun 2023, 06:59

1

321

by: GMATinsight

22 Jun 2023, 07:04

ER

Is 5x > 5y ?

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

sm1510

15 Mar 2021, 18:31

1

2

1,108

by: MarmikUpadhyay

15 Mar 2021, 18:50

ER

Is 5m^k > 50k?

505-555 Level | Exponents, Inequalities

505-555 Level | Exponents, Inequalities hide tags

Bunuel

04 Jan 2017, 01:59

3

4

2,513

by: bumpbot

05 May 2020, 23:36

ER

Is 500 the average (arithmetic mean) score on the GMAT?

505-555 Level | Statistics and Sets Problems

505-555 Level | Statistics and Sets Problems hide tags

Bunuel

28 May 2017, 02:05

1

5

12,483

by: bumpbot

21 Jun 2021, 23:27

ER

Is 5^n < 0.04? (1) (1/5)^n > 25 (2) n^3 < n^2

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Bunuel

20 Oct 2014, 06:59

35

11

9,798

by: bumpbot

04 Jun 2023, 12:32

ER

Is 5^k less than 1,000? (1) 5^(k+1) > 3,000 (2) 5^(k-1) = 5^k - 500

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Walkabout

26 Dec 2012, 04:41

301

16

37,323

by: bumpbot

05 May 2024, 09:33

ER

Is 5^k greater than k?

555-605 Level | Exponents, Inequalities

555-605 Level | Exponents, Inequalities hide tags

Bunuel

24 Jun 2017, 08:33

7

2

2,349

by: ydmuley

25 Jun 2017, 15:23

ER

Is 5^(x+2)/25<1 ?

Sub 505 Level | Exponents, Inequalities

Sub 505 Level | Exponents, Inequalities hide tags

1, 2

Bunuel

25 Jun 2012, 03:07

85

20

28,442

by: bumpbot

11 Sep 2023, 08:49

ER

Is 5 the median of Set X?

555-605 Level | Statistics and Sets Problems

555-605 Level | Statistics and Sets Problems hide tags

Bunuel

24 Jan 2017, 09:48

2

1,758

by: Lowkya

18 Apr 2018, 19:45

ER

Is 5 ≤ x ≤ 6 ? (1) x < 7 (2) x > 4

505-555 Level | Inequalities

505-555 Level | Inequalities hide tags

Bunuel

03 May 2021, 23:00

1

617

by: avichalchopra

03 May 2021, 23:16

Data Sufficiency (DS)