Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

487,902

by: bb

29 Aug 2025, 13:27

ER

Is x = y? (1) |x| + |y| = 0 (2) x^2 + y^2 = 0

555-605 (Medium) | Absolute Values, Algebra

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

MathRevolution

01 Jun 2017, 01:09

10

4

2,669

31 Jul 2018, 10:39

ER

Is the sum of 3 positive integers divisible by 6

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

ritumaheshwari02

26 Nov 2012, 00:21

8

4,653

17 Jul 2018, 02:34

ER

If gcd(m,n) is the greatest common divisor of m and n, then n=?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

MathRevolution

11 Jul 2018, 01:09

8

5

3,184

15 Jul 2018, 06:55

ER

If the diagonals of rectangle ABCD (AB>BC ) cross at point E

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

ichha148

22 Nov 2013, 01:31

10

9

7,773

10 Jul 2018, 06:48

ER

Is |x| < 5?

605-655 (Medium) | Absolute Values, Inequalities

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

alphonsa

18 Aug 2014, 09:10

16

10

4,583

by: dabaobao

15 Jun 2018, 08:27

ER

Is (1 + 0.01r)(1 - 0.01s) > 1 ?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

13 Apr 2018, 01:24

1

6

1,916

by: chetan2u

07 Jun 2018, 09:51

ER

Katrina draws a regular n-sided polygon. What is the value of n?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

MathRevolution

15 May 2018, 02:41

2

4

2,093

17 May 2018, 01:39

ER

On a number line, 0 < A < B, is |20 - A| < |20 -B| ?

805+ (Hard) | Absolute Values, Inequalities

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

Bunuel

26 Mar 2018, 23:10

7

6

2,557

by: chetan2u

12 Apr 2018, 00:00

ER

What is the value of N? (1) N is the least integer such that

555-605 (Medium) | Exponents, Multiples and Factors

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

amanvermagmat

12 Mar 2018, 23:24

4

3

2,197

by: EgmatQuantExpert

25 Mar 2018, 08:11

ER

Is x > 0? (1) x + y = 30 (2) y^2 > 10

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Jamil1992Mehedi

22 Mar 2018, 09:37

4

1,791

24 Mar 2018, 18:33

ER

In the rectangular coordinate system above, if the coordinates of poin

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saurabh87

02 Jul 2016, 20:29

4

13

7,551

24 Mar 2018, 08:58

ER

If a and b are positive odd integers less

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EgmatQuantExpert

13 Aug 2018, 02:48

19

13

4,387

by: EgmatQuantExpert

22 Mar 2018, 11:44

ER

If x is a positive integer, is x even? (1) 5x is even (2) x 5 is odd

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

02 Oct 2015, 01:42

2

8

7,380

by: TurningPages

26 Feb 2018, 06:11

ER

The number of people present at each level, except the topmost, of a

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PrepTap

05 Jun 2015, 04:45

11

6

2,850

by: Timebomb

24 Feb 2018, 05:10

ER

Is the average of ten integers greater than 10?

555-605 (Medium) | Statistics and Sets Problems

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

Bunuel

13 Feb 2018, 01:16

1

5

2,492

by: ScottTargetTestPrep

20 Feb 2018, 17:17

ER

If x is an integer greater than 1, is x equal to 2^k for

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gmatpapa

09 Jan 2011, 01:33

4

5

4,092

09 Jan 2018, 20:56

ER

The product of the units digit, the tens digit, the hundreds digit, an

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

25 Apr 2016, 08:12

22

5

6,569

by: GMATinsight

09 Jan 2018, 05:20

ER

If a + b = 20, then what is the value of c − d?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

Bunuel

13 Dec 2015, 05:57

6

8

5,189

28 Dec 2017, 06:11

ER

Machines X and Y run simultaneously at their respective

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

enigma123

15 Mar 2012, 03:37

8

5

9,865

by: rcaraujo20

21 Dec 2017, 17:00

ER

if | r | != 1 is integer r even 1 r is not positive 2 2r

655-705 (Hard) | Arithmetic

655-705 (Hard) | Arithmetic hide tags

rxs0005

16 Apr 2014, 01:13

6

11

4,269

21 Dec 2017, 14:06

ER

ab = 0?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Creeper300

07 Nov 2010, 13:49

11

3

4,460

24 Nov 2017, 16:25

ER

In the triangle above, what is the length of the side BC?

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LM

10 Apr 2010, 04:50

1

6

5,539

21 Oct 2017, 08:56

ER

If x, y and z are real numbers, is y – z < x – z?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

26 Feb 2017, 09:16

10

4

8,237

by: BrentGMATPrepNow

19 Oct 2017, 16:03

ER

What is the surface area of a certain rectangle solid?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

MathRevolution

06 Mar 2016, 03:59

3

5

2,649

10 Oct 2017, 03:37

ER

If x and y are positive integers, what is the remainder when 5^x is

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

17 Jun 2015, 06:02

11

8

4,957

04 Oct 2017, 07:15

ER

Two Tangent circles A and B have radii r1 and r2, respectively. What

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

21 Jan 2015, 02:46

42

15

12,403

by: Samuelboyle96

09 Aug 2017, 14:19

ER

If a+b+c=62, what is the value of a?

705-805 (Hard) | Algebra, Arithmetic

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

chetan2u

29 Dec 2015, 01:44

10

6

3,725

by: ScottTargetTestPrep

30 Jul 2017, 17:25

ER

What is the value of x? (1) |y| ≤ −3x (2) |5x − 1| = x + 7

655-705 (Hard) | Absolute Values, Inequalities

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

Bunuel

24 Jul 2017, 23:22

5

9

2,531

by: mehrotrayashraj

29 Jul 2017, 07:13

ER

For a certain set of 3 numbers, is the average(arithmetic mean) equal

555-605 (Medium) | Statistics and Sets Problems

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

tirupatibalaji

15 Jan 2011, 14:33

6

4,533

by: mbaaspirant80

25 Jul 2017, 00:40

ER

What is the value of the integer n? (1) n(n + 2) = 15 (2) (n

555-605 (Medium) | Algebra, Exponents

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

ajit257

10 Jul 2013, 01:54

55

7

35,666

by: akshayk

14 Jul 2017, 12:41

ER

A shopkeeper purchased two TV sets A and B at the same price

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bkpolymers1617

14 Jun 2017, 08:39

4

6

3,661

by: kkrrsshh

17 Jun 2017, 00:00

ER

Is q^2 an odd integer? (1) q is an odd integer (2) q^4 is a

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

enigma123

19 Mar 2012, 04:59

11

5

3,723

30 May 2017, 11:36

ER

If t ≠ 0, is r greater than zero?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

20 Apr 2017, 23:43

6

11

2,578

by: Mo2men

29 May 2017, 01:29

ER

If A and B are integers and atleast one of the two is positive

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

chetan2u

20 Feb 2018, 00:27

7

6

2,631

09 May 2017, 05:36

ER

To make the school racquetball team, Larry must win at least 75% of hi

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

06 Feb 2015, 07:34

3

6

4,100

23 Apr 2017, 03:38

ER

The length of a rectangular solid is a, its width is b, and

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

eladshush

04 Oct 2010, 06:37

7

3,722

by: KrishnakumarKA1

15 Mar 2017, 01:48

ER

Is x+y equal to 3.6 ?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Asifpirlo

10 Aug 2013, 12:02

1

10

3,604

by: saswata4s

10 Mar 2017, 09:58

ER

Eight consecutive integers are selected from the integers 1

655-705 (Hard) | Remainders

655-705 (Hard) | Remainders hide tags

superpus07

06 Nov 2012, 19:05

43

9

9,589

by: anairamitch1804

01 Mar 2017, 22:39

ER

In a certain game, scoring plays result in 2, 7, or 11 point

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MzJavert

03 Jul 2013, 08:34

7

4,854

27 Feb 2017, 22:08

ER

30%~35% of the employees in a certain company have cell phones. Do at

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BillyZ

23 Feb 2017, 17:51

8

5

3,472

by: mikemcgarry

27 Feb 2017, 12:20

ER

If x>y>1, is y an even number?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

chetan2u

14 Feb 2017, 20:25

1

7

2,091

by: ScottTargetTestPrep

16 Feb 2017, 12:16

ER

In the xy-plane, if line k has negative slope and passes

555-605 (Medium) | Coordinate Plane

555-605 (Medium) | Coordinate Plane hide tags

seekmba

22 May 2010, 14:41

19

9

7,720

by: mvictor

17 Jan 2017, 16:01

ER

Is q > r?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

HKD1710

15 Jan 2017, 08:26

2

7

2,235

16 Jan 2017, 06:10

ER

The figure above represents a rectangular tile. The 8 hexago

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

summer101

11 Jun 2013, 06:19

7

10

5,314

by: BillyZ

15 Jan 2017, 01:31

ER

If # represents +, -, *, or /, then does (a+b)#c = (a#c) + (b#c) for a

605-655 (Medium) | Functions and Custom Characters

605-655 (Medium) | Functions and Custom Characters hide tags

JenniferClopton

30 Nov 2010, 07:55

9

12

5,114

22 Dec 2016, 06:37

ER

Is x an integer ?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

pllgl

24 Nov 2016, 02:46

4

2,516

24 Nov 2016, 02:50

ER

In the diagram above, what is the length of MP if LNOQ is a

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

shanewyatt

26 Jan 2010, 14:29

4

6,021

22 Nov 2016, 12:37

ER

What is the value of two-digit integer x?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

02 Oct 2015, 01:45

4

6

8,567

18 Nov 2016, 10:55

ER

What is the area of the innermost circle which is inscribed

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

MichelleSavina

23 Jan 2011, 03:11

1

8

7,895