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Quants doubt: probability

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24 Apr 2026, 03:17

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36,368

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doubt on this question

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Some of these are no longer applicable as questions have been modified over the years but we wanted to preserve them

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5,677

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23 Apr 2026, 15:18

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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

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Topics

for any numbers a and b, a * b = a+ b - ab, if a * b = 0,

over13

03 Feb 2005, 14:36

0

1,878

03 Feb 2005, 14:36

i>j>k>l>m are numbers whose product is a

praveen_rao7

03 Feb 2005, 18:40

0

1,674

by: praveen_rao7

03 Feb 2005, 18:40

is 1 a prime number?

mdf2

03 Feb 2005, 02:11

9

2,088

04 Feb 2005, 12:22

In a sample of college students 40 percent are 3rd year

over13

03 Feb 2005, 02:05

6

1,702

04 Feb 2005, 12:38

It has been a really long 15 hrs today. I had a paper

Praetorian

02 Feb 2005, 21:56

8

1,370

04 Feb 2005, 12:39

If n is a positive integer and the product of all the

Antmavel

04 Feb 2005, 12:51

0

2,457

04 Feb 2005, 12:51

I know this problem is probably very easy, but can someone

willgoldberg

04 Feb 2005, 12:51

3

1,283

04 Feb 2005, 12:56

Anyone know where we can get a hold of some math sheet with

tareks

03 Feb 2005, 14:54

1

1,502

04 Feb 2005, 13:17

Help! - Official Guide SC #362

Taku

06 Feb 2005, 00:11

0

1,248

06 Feb 2005, 00:11

This is a little bit of a puzzle and a little bit of quiz.

1, 2

anirban16

03 Feb 2005, 14:21

23

3,703

06 Feb 2005, 09:45

Find the Volume of a pyramide the height of which is 10 feet

anirban16

04 Feb 2005, 12:07

5

1,796

06 Feb 2005, 22:01

If X^2 + y^2 = a and x + y = b, then, in terms of a and b,

Boyd

06 Feb 2005, 22:26

0

2,094

06 Feb 2005, 22:26

How do people feel the math questions in PowerPrep and our

HongHu

06 Feb 2005, 22:44

9

1,438

by: greenandwise

07 Feb 2005, 09:29

Combinations problem

Johnnyman

07 Feb 2005, 21:15

4

2,339

08 Feb 2005, 03:47

Simple simplification question

mpv52302

08 Feb 2005, 16:41

4

2,000

09 Feb 2005, 06:45

A computer password consists of two letters, which are

MA

08 Feb 2005, 23:02

8

1,709

by: banerjeea_98

09 Feb 2005, 12:39

Selecting 5 students at a time, x students can be arranged

MA

08 Feb 2005, 23:10

7

1,411

09 Feb 2005, 17:14

if m>0 and n>0, is M+X/N+X > M/N ? (1) M<N (2)

mpv52302

09 Feb 2005, 23:02

0

1,179

09 Feb 2005, 23:02

Is it true that the first 90 questions of the OG for each

nocilis

07 Feb 2005, 16:34

7

1,609

10 Feb 2005, 11:14

Ok since I couldn't get in here I was surfing the net for

HongHu

02 Feb 2005, 12:41

7

1,316

10 Feb 2005, 16:03

The price of a bushel of corn is currently $3.20, and the

lastochka

11 Feb 2005, 07:39

0

2,186

11 Feb 2005, 07:39

less questions on powerprepI I took PPI yesterday and

Vijo

14 Feb 2005, 08:14

2

1,631

14 Feb 2005, 12:35

2005! = x How many zeros does x have? I am sorry if the

mr_sarn

11 Feb 2005, 17:29

10

2,348

14 Feb 2005, 19:26

if x is a prime number, what is the value of x? (1) x <

gter

14 Feb 2005, 19:31

0

1,138

14 Feb 2005, 19:31

Mrs. Brown drives in a straight line from A to B at a

maneeshkumar

14 Feb 2005, 04:46

5

1,272

by: maneeshkumar

15 Feb 2005, 01:20

solving an equation for x

mpv52302

15 Feb 2005, 18:38

2

1,495

15 Feb 2005, 23:00

how many ways can 7 children be arranged in a circular table

rxs0005

12 Feb 2005, 03:36

14

3,410

15 Feb 2005, 23:50

Taking more time for quant problems

karthikb

16 Feb 2005, 03:36

2

1,204

16 Feb 2005, 03:58

Set S consists of all non negative even integers and all

swath20

15 Feb 2005, 13:55

4

2,749

16 Feb 2005, 07:24

another realtime GMAT question

faizaniftikhar83

16 Feb 2005, 01:31

19

3,058

by: maneeshkumar

17 Feb 2005, 04:08

If x + 5 ----------- y is a prime integer, which of the

maneeshkumar

17 Feb 2005, 03:48

4

1,712

17 Feb 2005, 08:27

A certain university will select 1 of 7 candidates eligible

Antmavel

17 Feb 2005, 17:35

0

1,704

17 Feb 2005, 17:35

find a,b,c,d if a+b+c+d = 1 and a*b*c*d = 1 as well. I

mr_sarn

21 Feb 2005, 02:08

4

1,454

21 Feb 2005, 12:47

There are 5 married couples and a group of three is to be

sk

22 Feb 2005, 08:39

0

1,716

22 Feb 2005, 08:39

Find the 50 th digit after the decimal point for the

anirban16

24 Feb 2005, 18:28

3

4,363

25 Feb 2005, 10:35

A 30 litre mixture of Bacardi and Coke contains 20% Coke in

1, 2

sunniboy007

11 Jan 2004, 11:25

21

3,554

25 Feb 2005, 15:46

There are 75 bookshelves in the history section of a

Grant

26 Feb 2005, 10:16

7

1,659

26 Feb 2005, 22:40

This is from my math book: 427) A box contains 1 black ball

claudine2005

28 Feb 2005, 12:55

5

1,476

02 Mar 2005, 09:29

A mixture contain 17% spirit and rest water. 10 liters are

gmat2me2

01 Mar 2005, 21:48

4

7,271

04 Mar 2005, 03:51

What is the value of x, where x=36,500(1.05)^n?

MA

02 Mar 2005, 23:57

5

2,855

04 Mar 2005, 08:07

simple probability quest

cloaked_vessel

04 Mar 2005, 09:20

0

4,341

by: cloaked_vessel

04 Mar 2005, 09:20

Find the smallest positive integer which will leave a

anirban16

24 Feb 2005, 18:31

17

3,712

04 Mar 2005, 13:06

A cipher lock consists of 3 2-digits numbers. Any 2 numbers

ttar

25 Feb 2005, 13:53

8

1,438

05 Mar 2005, 05:44

Pipe P can drain the liquid from a tank in 3/4 the time it

cloaked_vessel

05 Mar 2005, 11:35

5

1,942

by: cloaked_vessel

05 Mar 2005, 18:37

A person invested $20000 for one year, part at 8.5 percent

ttar

25 Feb 2005, 14:09

10

2,781

05 Mar 2005, 21:10

What is the probability of getting a King and a Queen in TWO

christoph

06 Mar 2005, 16:19

0

1,487

06 Mar 2005, 16:19

The sum of n consecutive positive integers starting from 1

cloaked_vessel

06 Mar 2005, 18:09

2

2,856

06 Mar 2005, 19:24

A train crosses a bridge of length 500m in 40 seconds and a

cloaked_vessel

06 Mar 2005, 22:58

0

7,065

by: cloaked_vessel

06 Mar 2005, 22:58

is that right??? probabilty question

Daniela

07 Mar 2005, 08:52

0

1,331

07 Mar 2005, 08:52

Out of seven models, all of different heights, five models

Arsene_Wenger

07 Mar 2005, 10:25

0

2,298

by: Arsene_Wenger

07 Mar 2005, 10:25

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