Last visit was: 25 Apr 2026, 17:24

It is currently 25 Apr 2026, 17:24

Toolkit

Decision Tracker

Quantitative Questions

Quant Question Archive [LOCKED]

12,184

Topics

29,298

Posts

Quants doubt: probability

by: Bunuel

24 Apr 2026, 03:17

15,589

Topics

36,368

Posts

doubt on this question

by: Bunuel

24 Apr 2026, 03:22

GMAT Club Tests Archive

Some of these are no longer applicable as questions have been modified over the years but we wanted to preserve them

1,596

Topics

5,677

Posts

by: bumpbot

23 Apr 2026, 15:18

Quant Question Archive [LOCKED]

Author

Announcements

GMATbuster's Weekly GMAT Quant Quiz - Saturday Sep 29 10 AM PST

bb

29 Sep 2018, 09:55

0

3,251

29 Sep 2018, 09:55

GMAT Club Member
Recommended Prep Products:

Best GMAT Books

Our hand-picked recommendations

Best GMAT Courses

Reviews Verified with Score Reports

Tutor Directory

Tutor Reviews & Prices in one place

Topics

Confirmation on some Inequalities

bumpbot

28 Jan 2021, 12:55

0

2,081

28 Jan 2021, 12:55

conditional probability questions

bumpbot

28 Jan 2021, 05:43

0

3,636

28 Jan 2021, 05:43

Two girls have their birthdays in the same week. It is known

bumpbot

28 Jan 2021, 05:06

0

1,774

28 Jan 2021, 05:06

There are 4 bananas and and 6 melons. 2 melons are spoilt.

bumpbot

28 Jan 2021, 04:22

0

1,391

28 Jan 2021, 04:22

A certain class has 1000 students and a certain class has

bumpbot

27 Jan 2021, 14:40

0

1,351

27 Jan 2021, 14:40

A terrible disease sweeps around the world, luckily only

bumpbot

27 Jan 2021, 13:13

0

1,714

27 Jan 2021, 13:13

Ms. Barton has four children. You are told correctly that

ABNY2002

27 Jan 2021, 13:01

0

2,841

27 Jan 2021, 13:01

Ms. Barton has four children. You are told correctly that

bumpbot

27 Jan 2021, 13:01

0

3,340

27 Jan 2021, 13:01

Common technique required

bumpbot

27 Jan 2021, 09:01

0

2,222

27 Jan 2021, 09:01

certain quantity of 40% solution is replaced with 25%

bumpbot

27 Jan 2021, 08:34

0

1,641

27 Jan 2021, 08:34

Car A is 20 miles behind car B, which is traveling in the

bumpbot

27 Jan 2021, 08:04

0

1,775

27 Jan 2021, 08:04

A Committee of 6 is chosen from 8 men and 5 women, so as to

bumpbot

26 Jan 2021, 14:43

0

2,147

26 Jan 2021, 14:43

onit

26 Jan 2021, 04:57

0

966

26 Jan 2021, 04:57

bumpbot

23 Jan 2021, 11:37

0

1,725

23 Jan 2021, 11:37

Brain Stuck A cube and cylinder are equal in height. Does

bumpbot

23 Jan 2021, 11:25

0

4,200

23 Jan 2021, 11:25

Big diff. in scores of GmatPrep Test 1 & Gmat Prep Test 2!

bumpbot

23 Jan 2021, 11:18

0

2,551

23 Jan 2021, 11:18

Best way to increase speed in quant?

bumpbot

23 Jan 2021, 11:16

0

3,753

23 Jan 2021, 11:16

Best online resource for Permutation Combination.

bumpbot

23 Jan 2021, 11:11

0

3,246

23 Jan 2021, 11:11

BEST GEOMETRY FORMULAS LINK

bumpbot

23 Jan 2021, 11:06

0

2,875

23 Jan 2021, 11:06

Bayesian probability in GMAT?

bumpbot

23 Jan 2021, 11:01

0

2,149

23 Jan 2021, 11:01

If a, b, and c are consecutive integers, where a<b<c,

bumpbot

23 Jan 2021, 09:53

0

1,176

23 Jan 2021, 09:53

a,b, and c are consecutive integers where a<b<c. which

bumpbot

23 Jan 2021, 09:52

0

1,377

23 Jan 2021, 09:52

bumpbot

23 Jan 2021, 09:13

0

1,980

23 Jan 2021, 09:13

bumpbot

23 Jan 2021, 09:10

0

3,321

23 Jan 2021, 09:10

At least/At most Probability

bumpbot

23 Jan 2021, 09:07

0

15,877

23 Jan 2021, 09:07

At Daifu university, 40% of all students are both members of

bumpbot

23 Jan 2021, 05:24

0

3,105

23 Jan 2021, 05:24

at a college football game, 4/5 of the seats in the lower

bumpbot

23 Jan 2021, 05:21

0

3,490

23 Jan 2021, 05:21

Are all elements of an increasing infinite sequence of

bumpbot

23 Jan 2021, 05:06

0

3,704

23 Jan 2021, 05:06

Anup was asked to find the value of 7/12 of a sum of money.

bumpbot

23 Jan 2021, 05:04

0

2,007

23 Jan 2021, 05:04

An auto dealership sold one car with a 10% profit and one

bumpbot

23 Jan 2021, 04:39

0

1,750

23 Jan 2021, 04:39

Among 200 programmers working for an IT company, 30% know

bumpbot

23 Jan 2021, 04:28

0

1,774

23 Jan 2021, 04:28

According to an article in Newsweek, the rate of water

bumpbot

23 Jan 2021, 04:24

0

1,739

23 Jan 2021, 04:24

A square is inscribed in a circle whic, in turn, is

bumpbot

22 Jan 2021, 08:22

0

4,251

22 Jan 2021, 08:22

A snail, climbing a 20 feet high wall, climbs up 4 feet on

bumpbot

22 Jan 2021, 08:21

0

7,516

22 Jan 2021, 08:21

A positive integer n is said to be prime-saturated if the

bumpbot

22 Jan 2021, 08:04

0

3,796

22 Jan 2021, 08:04

A marketing survey of Anytown found that the ratio of trucks

bumpbot

22 Jan 2021, 07:16

0

2,168

22 Jan 2021, 07:16

A good source for Statistics (Arithmetic Mean, Mode, Median)

bumpbot

21 Jan 2021, 22:55

0

4,574

21 Jan 2021, 22:55

A geometric sequence 1, 1/2 an is such that an=1/2*a(n-1),

bumpbot

21 Jan 2021, 22:51

0

1,302

21 Jan 2021, 22:51

A couple wants four children. If the probability of having a

bumpbot

21 Jan 2021, 22:28

0

2,187

21 Jan 2021, 22:28

A certain league has four divisions. The respective

bumpbot

21 Jan 2021, 22:00

0

2,407

21 Jan 2021, 22:00

A certain consulting firm employs 8 men and 4 women. In

bumpbot

21 Jan 2021, 21:58

0

2,236

21 Jan 2021, 21:58

A certain company expects quarterly earnings of $0.80 per

bumpbot

21 Jan 2021, 21:56

0

3,003

21 Jan 2021, 21:56

A cat invites 3 rats and 4 cockroaches for dinner. How many

bumpbot

21 Jan 2021, 21:53

0

1,315

21 Jan 2021, 21:53

A card is drawn from an ordinary deck of 52 well-shuffled

bumpbot

21 Jan 2021, 21:49

0

5,756

21 Jan 2021, 21:49

Looking at DS statements. Sometimes it may be good to just take...

GmatKnightTutor

21 Jan 2021, 18:35

0

264

by: GmatKnightTutor

21 Jan 2021, 18:35

A cake recipe uses a constant ratio of 2 teaspoons vanilla

bumpbot

21 Jan 2021, 13:10

0

3,243

21 Jan 2021, 13:10

The outline of a sign for an ice-cream store is made by

bumpbot

21 Jan 2021, 06:57

0

2,602

21 Jan 2021, 06:57

A box contains 7 Yellow balls and 5 blue balls. Select 3

bumpbot

21 Jan 2021, 00:18

0

1,634

21 Jan 2021, 00:18

A, B, C run a circular track starting from the same point

bumpbot

21 Jan 2021, 00:10

0

6,125

21 Jan 2021, 00:10

A 400-meter runner spent 4 more seconds on the first half of

bumpbot

20 Jan 2021, 23:47

0

1,654

20 Jan 2021, 23:47

Moderator: