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Quants doubt: probability

by: Bunuel

24 Apr 2026, 03:17

15,589

Topics

36,368

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Some of these are no longer applicable as questions have been modified over the years but we wanted to preserve them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

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5,677

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by: bumpbot

23 Apr 2026, 15:18

Quant Question Archive [LOCKED]

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

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29 Sep 2018, 09:55

0

3,250

29 Sep 2018, 09:55

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Topics

From a set of cards numbered 1 to 20 a card is drawn at

araspai

02 Jan 2004, 20:04

0

2,227

02 Jan 2004, 20:04

camel

02 Jan 2004, 17:45

2

2,248

02 Jan 2004, 18:40

How many ways can Otto pick 3 people for his foursome out of

Titleist

02 Jan 2004, 12:38

6

1,878

02 Jan 2004, 12:44

A sheet of paper 8 units long and 6 units wide is rolled

Titleist

31 Dec 2003, 01:59

0

3,514

31 Dec 2003, 01:59

David is putting together a golf charity outing. He has

Titleist

30 Dec 2003, 22:52

10

2,026

31 Dec 2003, 08:30

The Figure Below shows the beams from a beacon with two

Titleist

30 Dec 2003, 22:00

3

1,522

30 Dec 2003, 22:24

Henry just landed three dates with a really hot girl (I know

Titleist

30 Dec 2003, 19:14

3

1,575

30 Dec 2003, 20:46

A set contains three numbers. The average (arithmetic mean)

shubhangi

30 Dec 2003, 10:02

2

2,408

10 Jan 2004, 22:08

I got A) 18 at 15 donuts the rate is $1/donut; thus, 12*1 =

Titleist

29 Dec 2003, 11:07

10

2,214

03 Jan 2004, 19:17

I noticed that toward the end of the OG DS and PS questions,

stoolfi

28 Dec 2003, 00:59

2

1,446

28 Dec 2003, 10:34

Merry XMas everyone! I have no clue who on earth forced me

Paul

25 Dec 2003, 15:49

8

1,721

26 Dec 2003, 14:25

The co-ordinates of the foot of the perpendicular from the

shubhangi

25 Dec 2003, 14:16

0

2,060

25 Dec 2003, 14:16

A bag contains 3 red, 4 black and 2 white balls. What is the

shubhangi

24 Dec 2003, 22:23

0

1,673

24 Dec 2003, 22:23

Tom reads at an average rate of 30 pages per hour, while Jan

shubhangi

23 Dec 2003, 21:57

0

1,952

23 Dec 2003, 21:57

What's the probability that three generation of first born

wonder_gmat

22 Dec 2003, 13:14

2

1,679

22 Dec 2003, 18:09

A vegetable seller has 50%kgs of vegetable, part of which

shubhangi

21 Dec 2003, 12:43

6

2,890

23 Dec 2003, 08:30

There are n applicants for the director of computing. The

Bhai

20 Dec 2003, 00:43

0

5,505

20 Dec 2003, 00:43

Find a point angle of a regular seven-point star

stolyar

19 Dec 2003, 10:15

10

3,024

21 Dec 2003, 15:18

To be attested to a black belt, a brown-belt karatist has to

stolyar

19 Dec 2003, 03:19

7

1,667

05 Jan 2004, 20:16

Seven years ago, Scott was 3 times as old as Kathy was at

shubhangi

17 Dec 2003, 07:03

0

5,668

17 Dec 2003, 07:03

From the set of 6 letters A, B C, D, E and F, there are 20

tzec76

15 Dec 2003, 16:58

0

6,106

15 Dec 2003, 16:58

This Weeks MGMAT problem

Praetorian

16 Dec 2003, 00:44

18

2,667

16 Dec 2003, 09:36

Two couples and one single person are seated at random in a

preyshi

13 Dec 2003, 02:21

0

1,512

13 Dec 2003, 02:21

9 people, including 3 couples , are to be seated in a row of

preyshi

13 Dec 2003, 02:19

0

1,207

13 Dec 2003, 02:19

A committee of 4 boys and 3 girls is to be formed by lots

4128851

13 Dec 2003, 01:39

0

7,368

13 Dec 2003, 01:39

From the even numbers between 1 and 9, two different even

tzec76

13 Dec 2003, 00:13

0

6,180

13 Dec 2003, 00:13

Darlene averaged a score of 70 out of 110 on evaluations

shubhangi

13 Dec 2003, 00:04

0

1,841

13 Dec 2003, 00:04

Hospital patients

tzec76

12 Dec 2003, 21:58

3

1,793

by: pitts20042006

12 Dec 2003, 22:19

How many 4-digit numbers begin with an odd digit and end

tzec76

12 Dec 2003, 21:49

3

3,054

12 Dec 2003, 22:37

I thought column B is greater than column A but it turns out

tzec76

12 Dec 2003, 20:38

5

1,852

by: aarrrggghhh

13 Jan 2004, 11:14

The "reflection" of a positive integer is obtained by

tzec76

12 Dec 2003, 06:46

0

7,889

12 Dec 2003, 06:46

I have posted this before. However, I use a manual method. I

tzec76

12 Dec 2003, 05:48

13

2,019

11 Oct 2005, 08:11

There are 4 books on physics and 2 books on maths.Find the

4128851

11 Dec 2003, 04:39

8

1,736

13 Dec 2003, 00:20

If in a certain shipment of new cars, the cost of car X is

shubhangi

10 Dec 2003, 11:07

7

2,963

13 Dec 2003, 08:46

POWERPREP: Towels

MartinMag

09 Dec 2003, 14:21

3

1,707

09 Dec 2003, 15:40

POWERPREP: Sequence

MartinMag

09 Dec 2003, 14:20

2

1,334

09 Dec 2003, 22:34

POWERPREP: Coordinates

MartinMag

09 Dec 2003, 14:19

4

2,041

09 Dec 2003, 18:50

POWERPREP: C and D

MartinMag

09 Dec 2003, 14:19

2

1,469

09 Dec 2003, 15:09

POWERPREP: Average

MartinMag

09 Dec 2003, 14:11

3

1,540

10 Dec 2003, 15:37

3 questions in the tradition of Stolyar... Three fair dice

bluefox420

09 Dec 2003, 08:07

11

1,648

10 Jan 2004, 15:33

Manhattan GMAT problem for 12/8/2003

bluefox420

08 Dec 2003, 08:38

8

1,939

08 Dec 2003, 13:43

There are 2 red and 3 blue balls in a bag. If a person takes

rc197906

07 Dec 2003, 22:29

5

1,575

07 Jan 2004, 04:10

tzec76

07 Dec 2003, 05:50

2

1,992

07 Dec 2003, 07:30

A Rectangular garden is surrounded by a path of uniform

4128851

06 Dec 2003, 22:33

0

3,351

06 Dec 2003, 22:33

Need help with this question.

caribcon

06 Dec 2003, 13:41

0

1,220

06 Dec 2003, 13:41

What is 0^0?? Undefined or 0? Gaurav

4128851

06 Dec 2003, 05:34

3

1,868

10 Dec 2003, 05:59

There are 9 books on a shelf, 7 hard cover and 2 soft cover.

dj

05 Dec 2003, 13:13

0

1,264

05 Dec 2003, 13:13

While looking through all of the probability-related

bluefox420

05 Dec 2003, 11:59

2

1,304

05 Dec 2003, 12:38

How many unique arrangements can be made of 6 people who

stoolfi

04 Dec 2003, 18:23

3

1,853

05 Dec 2003, 03:26

For all numbers n, n*=32-n. What is (n*)*? The workings are

tzec76

04 Dec 2003, 15:50

0

2,628

04 Dec 2003, 15:50

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