Problem Solving (PS)

04 Mar 2026, 12:06

ER

A can complete a certain job in 12 days. B is 60% more efficient than

555-605 (Medium) | Work and Rate Problems

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

b2bt

02 Jun 2014, 07:09

68

12

159,080

15 Oct 2025, 12:42

ER

A researcher plans to identify each participant in a certain medical

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

1, 2, 3, 4

sarb

05 Feb 2019, 00:52

1.7k

61

159,362

04 Sep 2025, 20:55

ER

The perimeter of a certain isosceles right triangle is 16 + 16*2^(1/2)

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2, 3

coffeeloverfreak

22 Sep 2005, 20:02

634

40

159,642

13 Feb 2026, 21:57

ER

New project! Review, Discuss, and Get Points!!!

Collection of Questions +4 tags

Collection of Questions, Reviews, Discussions, Guides & Resources, Useful Links hide tags

1, 2

Bunuel

06 Dec 2019, 04:08

923

36

159,883

04 Jan 2018, 03:49

ER

Sum of n positive integers formula for consecutive integers?

General Math Questions +3 tags

General Math Questions, Theory, Discussions, Guides & Resources hide tags

RustyR

20 Feb 2019, 03:34

59

9

160,522

11 Mar 2026, 12:06

ER

Six machines, each working at the same constant rate

505-555 (Easy) | Work and Rate Problems

505-555 (Easy) | Work and Rate Problems hide tags

1, 2

zz0vlb

26 Apr 2010, 21:53

903

24

160,556

03 Mar 2026, 13:47

ER

During a trip, Francine traveled x percent of the total distance at an

605-655 (Medium) | Distance and Speed Problems

605-655 (Medium) | Distance and Speed Problems hide tags

1, 2, 3

vksunder

26 Nov 2023, 05:45

1.7k

46

160,650

02 Mar 2026, 10:00

ER

In how many different ways can a group of 9 people be divide

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

1, 2

hemanthp

26 Sep 2010, 09:47

357

23

161,965

by: KarishmaB

17 Mar 2025, 21:13

ER

If n denotes a number to the left of 0 on the number line such that

655-705 (Hard) | Fractions and Ratios, Inequalities

655-705 (Hard) | Fractions and Ratios, Inequalities hide tags

1, 2, 3

topmbaseeker

10 Oct 2019, 06:09

1.3k

40

162,216

by: egmat

07 Oct 2025, 04:04

ER

In how many ways can the letters of the word PERMUTATIONS be arranged

705-805 (Hard) | Combinations, Out of Scope - Too Hard

705-805 (Hard) | Combinations, Out of Scope - Too Hard hide tags

1, 2

chandrun

04 Feb 2019, 04:53

119

21

162,281

by: CEdward

29 Jan 2021, 17:00

ER

Running at their respective constant rates, Machine X takes 2 days

805+ (Hard) | Work and Rate Problems

805+ (Hard) | Work and Rate Problems hide tags

1, 2, 3

Bunuel

29 Oct 2021, 01:59

1.7k

54

164,471

by: Vaishbab

28 Dec 2025, 22:31

ER

If 12 men and 16 women can do a piece of work in 5 days and 13 men and

655-705 (Hard) | Work and Rate Problems

655-705 (Hard) | Work and Rate Problems hide tags

1, 2

smcgrath12

18 Feb 2019, 05:38

902

23

164,875

18 Nov 2025, 09:39

ER

How many times will the digit 7 be written when listing the integers

705-805 (Hard) | Combinations

705-805 (Hard) | Combinations hide tags

1, 2

Bunuel

27 Aug 2010, 14:38

559

35

165,006

12 Nov 2025, 00:00

ER

If the cost price of 20 articles is equal to the selling price of 25

555-605 (Medium) | Percent and Interest Problems

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

pzazz12

18 Feb 2019, 06:00

88

6

165,641

by: CrackverbalGMAT

22 May 2021, 04:47

ER

The rate of a certain chemical reaction is directly proportional to th

655-705 (Hard) | Fractions and Ratios, Percent and Interest Problems

655-705 (Hard) | Fractions and Ratios, Percent and Interest Problems hide tags

1, 2

afyl128

27 Nov 2010, 18:06

940

23

166,205

22 Sep 2025, 20:08

ER

A thin piece of wire 40 meters long is cut into two pieces. One piece

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

1, 2

anilnandyala

29 Mar 2009, 06:28

794

23

168,476

12 Oct 2025, 09:10

ER

A sequence of numbers a1, a2, a3,…. is defined as follows: a1 = 3, a2

655-705 (Hard) | Sequences

655-705 (Hard) | Sequences hide tags

1, 2

Bunuel

15 Jun 2016, 01:46

804

22

168,761

by: DanTheGMATMan

21 Oct 2025, 07:37

ER

If an integer n is to be chosen at random from the integers 1 to 96

805+ (Hard) | Multiples and Factors, Probability

805+ (Hard) | Multiples and Factors, Probability hide tags

1, 2, 3

JCLEONES

16 Apr 2008, 10:25

1.8k

40

168,763

by: sujoykrdatta

06 Feb 2026, 01:10

ER

In the diagram, triangle PQR has a right angle at Q and a perimeter of

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

enigma123

20 Feb 2019, 00:43

306

18

169,092

17 Sep 2025, 10:23

ER

In how many ways can the letters of the word "COMPUTER" be arranged?

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

sonfbm

26 Feb 2019, 04:45

195

16

169,192

12 Oct 2025, 10:11

ER

When positive integer x is divided by positive integer y, the remainde

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

1, 2

ajit257

25 Oct 2022, 02:14

1.7k

30

169,217

by: Rickooreoisb

31 Jan 2026, 23:45

ER

In how many ways can 6 people be seated at a round table if

805+ (Hard) | Combinations

805+ (Hard) | Combinations hide tags

londonluddite

15 Oct 2006, 09:32

212

15

170,816

22 Apr 2026, 01:45

ER

In the figure, each side of square ABCD has length 1, the length of li

805+ (Hard) | Geometry

805+ (Hard) | Geometry hide tags

1, 2, 3

singh_amit19

26 Nov 2018, 06:39

1.0k

54

171,169

26 Dec 2025, 02:43

ER

If x > y^2 > z^4, which of the following statements could be

705-805 (Hard) | Inequalities, Must or Could be True

705-805 (Hard) | Inequalities, Must or Could be True hide tags

1, 2

Orange08

05 Sep 2010, 13:17

1.0k

25

171,628

16 Nov 2025, 08:35

ER

If the expression x=sqrt(2+sqrt(2+sqrt(2+sqrt(2+...) extends to an

555-605 (Medium) | Algebra, Roots

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

jakolik

13 Mar 2019, 04:00

326

15

171,830

by: velvetwhisper

10 Mar 2026, 09:50

ER

COMBINATION and PROBABILITY - references. If you have

Guides & Resources, Useful Links

Guides & Resources, Useful Links hide tags

1, 2, 3

walker

29 Nov 2009, 15:16

548

55

172,268

29 Oct 2025, 23:03

ER

If two of the four expressions x + y, x + 5y, x - y, and 5x - y are

605-655 (Medium) | Probability

605-655 (Medium) | Probability hide tags

1, 2

ronny13

15 Apr 2010, 04:19

877

33

175,046

by: N0BU

02 May 2025, 20:07

ER

A used car dealer sold one car at a profit of 25 percent of

555-605 (Medium) | Percent and Interest Problems

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

1, 2

djdela

23 Jul 2008, 22:15

483

27

175,245

29 Jan 2026, 16:25

ER

According to the directions on a can of frozen orange juice concentrat

555-605 (Medium) | Mixture Problems

555-605 (Medium) | Mixture Problems hide tags

1, 2

TomB

11 Dec 2018, 02:54

932

30

175,364

02 Mar 2026, 10:23

ER

If the operation @ is defined for all integers a and b by a@b = a+b-ab

655-705 (Hard) | Functions and Custom Characters, Must or Could be True

655-705 (Hard) | Functions and Custom Characters, Must or Could be True hide tags

cmugeria

18 Sep 2010, 20:16

556

18

176,027

11 Jun 2025, 03:33

ER

A merchant sells an item at a 20% discount, but still makes a gross pr

555-605 (Medium) | Percent and Interest Problems

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

KillerSquirrel

06 Mar 2023, 02:58

472

19

176,407

by: steffe440

07 Nov 2025, 01:43

ER

Work Rate Problems - All in One Topic!

Math Strategies +3 tags

Math Strategies, Theory, Guides & Resources, Useful Links hide tags

Bunuel

09 Sep 2015, 01:32

707

15

178,653

20 Mar 2026, 11:27

ER

If a committee of 3 people is to be selected from among 5 married coup

555-605 (Medium) | Combinations

555-605 (Medium) | Combinations hide tags

1, 2, 3

kirankp

05 Jan 2010, 07:46

1.5k

53

178,839

by: shvm_sin7

24 Aug 2025, 02:42

ER

Which of the following fractions is closest to 1/2?

605-655 (Medium) | Arithmetic, Fractions and Ratios

605-655 (Medium) | Arithmetic, Fractions and Ratios hide tags

1, 2, 3

AbdurRakib

15 Jun 2016, 01:01

1.7k

41

179,143

24 Feb 2026, 10:27

ER

When a certain tree was first planted, it was 4 feet tall and the heig

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

1, 2

anilnandyala

02 Nov 2010, 07:16

1.0k

38

179,281

08 Feb 2026, 00:51

ER

A box contains 100 balls, numbered from 1 to 100. If three b

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

1, 2

SmitKhurana

28 May 2013, 15:54

945

38

179,961

by: arushi118

23 Feb 2026, 12:14

ER

GMAT Flashcards - My comprehensive Quant Flashcards!

Downloads, Theory, Guides & Resources

Downloads, Theory, Guides & Resources hide tags

miguelmick

18 Jul 2024, 07:36

1.5k

11

180,244

by: ScottTargetTestPrep

10 Nov 2025, 06:59

ER

A border of uniform width is placed around a rectangular

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

1, 2, 3

Walkabout

20 Dec 2012, 05:33

734

44

180,718

10 Feb 2026, 15:58

ER

Statistics Made Easy - All in One Topic!

Math Strategies +3 tags

Math Strategies, Theory, Guides & Resources, Useful Links hide tags

1, 2, 3

Bunuel

19 Aug 2015, 02:05

1.2k

41

180,799

28 May 2025, 00:45

ER

The letters D, G, I, I , and T can be used to form 5-letter strings as

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

1, 2, 3

Bunuel

28 Jun 2021, 07:15

1.6k

48

181,958

24 Feb 2026, 12:39

ER

If each term in the sum a1+a2+a3+...+an is either 7 or 77 and the sum

555-605 (Medium) | Arithmetic, Sequences

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

1, 2

LM

10 May 2010, 09:36

1.4k

36

182,308

28 Dec 2025, 09:59

ER -1

A couple decides to have 4 children. If they succeed in having 4 child

655-705 (Hard) | Probability

655-705 (Hard) | Probability hide tags

1, 2, 3

Bunuel

13 Mar 2014, 02:29

1.7k

42

186,157

by: wickedvikram

08 Apr 2026, 08:15

ER

If s and t are positive integers such that s/t = 64.12 which

605-655 (Medium) | Remainders

605-655 (Medium) | Remainders hide tags

1, 2

Bunuel

02 Jul 2012, 02:08

2.0k

39

187,166

by: eaat

05 Apr 2026, 13:16

ER

For every integer k from 1 to 10, inclusive the "kth term of a certain

655-705 (Hard) | Exponents, Sequences

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

1, 2, 3, 4

prathns

07 Jan 2010, 06:22

1.9k

61

187,527

by: egmat

12 Sep 2025, 07:22

ER

List T consist of 30 positive decimals, none of which is an integer

805+ (Hard) | Min-Max Problems

805+ (Hard) | Min-Max Problems hide tags

1, 2, 3

shamanth25

02 May 2012, 01:27

3.0k

49

189,279

by: Aboyhasnoname

01 Aug 2025, 04:26

ER

PS questions about standard deviation.

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

1, 2, 3

Bunuel

27 Oct 2009, 16:37

524

57

190,088

07 Apr 2018, 13:58

ER

If it takes 5 machines 5 minutes to make 5 widgets, how long would it

555-605 (Medium) | Work and Rate Problems

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

Bunuel

01 Nov 2018, 04:58

37

8

195,315

10 Aug 2025, 00:11

ER

A certain city with population of 132,000 is to be divided into 11

705-805 (Hard) | Min-Max Problems, Statistics and Sets Problems

705-805 (Hard) | Min-Max Problems, Statistics and Sets Problems hide tags

1, 2

ugimba

02 Mar 2009, 20:52

2.1k

36

198,289

by: Adit_

15 Mar 2026, 08:00

ER

700+ GMAT Data Sufficiency Questions With Explanations

Collection of Questions, Downloads, Guides & Resources

Collection of Questions, Downloads, Guides & Resources hide tags

Bunuel

26 Apr 2018, 14:10

584

15

198,420