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Quants doubt: probability

by: Bunuel

24 Apr 2026, 03:17

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Some of these are no longer applicable as questions have been modified over the years but we wanted to preserve them

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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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Olivier is an abstract painter who is working on a series of

Antmavel

08 Sep 2004, 21:00

0

2,216

08 Sep 2004, 21:00

The average weight of a class of 44 students is 36kgs. If

venksune

09 Sep 2004, 03:55

0

1,591

09 Sep 2004, 03:55

sair

09 Sep 2004, 10:33

0

3,262

09 Sep 2004, 10:33

A 48 gallon solution of salt and water is 10% salt. How many

jimishg

09 Sep 2004, 12:11

2

3,372

09 Sep 2004, 13:37

A train with a speed of 90 kmph crosses a goods train in 50

venksune

09 Sep 2004, 13:53

0

1,400

09 Sep 2004, 13:53

From the gmatclub lessons: There are 5 married couples and a

stuti

09 Sep 2004, 23:16

0

1,277

09 Sep 2004, 23:16

By how much a trader mark his goods up if he has to make a

venksune

10 Sep 2004, 07:44

0

1,245

10 Sep 2004, 07:44

ds.x^3*y ^4=5000, y =? 1) y is a positive integer 2) x is a

marine

10 Sep 2004, 09:11

0

1,218

10 Sep 2004, 09:11

Circle O is inscribed in square ABCD. What is the area of

Bhai

11 Sep 2004, 09:35

1

2,805

11 Sep 2004, 17:49

What is the value of x^5? (1) x^2= 426 (2) x^9< 23

Bhai

11 Sep 2004, 11:59

0

1,379

11 Sep 2004, 11:59

There are 68 cars on a parking lot. If 36 of the cars are

Bhai

11 Sep 2004, 12:24

0

2,210

11 Sep 2004, 12:24

A certain junior class has 1000 students and a certain

stuti

11 Sep 2004, 12:30

0

1,333

11 Sep 2004, 12:30

Set B has 3 positive integers with a median of 9. if the

sdanquah

11 Sep 2004, 22:10

1

1,427

11 Sep 2004, 22:57

If P = n(n-1)(n-2)...(1) amd n>2, what is the largest

Guest

11 Sep 2004, 23:01

0

2,230

11 Sep 2004, 23:01

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

rahul

12 Sep 2004, 00:00

0

3,708

12 Sep 2004, 00:00

Of the 600 residents of Clermontville, 35% watch the

crackgmat750

12 Sep 2004, 03:54

0

1,626

by: crackgmat750

12 Sep 2004, 03:54

If n is a prime number greater than 3, what is the remainder

Bhai

13 Sep 2004, 00:11

0

1,702

13 Sep 2004, 00:11

hardworker_indian

13 Sep 2004, 05:08

2

1,511

13 Sep 2004, 06:48

Need your advice. How to improve my practive quant score

crackgmat3

13 Sep 2004, 10:13

3

1,975

14 Sep 2004, 07:12

when to round off fractions...

harik

13 Sep 2004, 11:28

3

1,678

13 Sep 2004, 22:45

6 balls - numbered 1-6, pick one at a time without

vj_sur

13 Sep 2004, 12:52

7

1,585

13 Sep 2004, 13:40

3 digit numbers

mallelac

15 Sep 2004, 08:00

0

2,046

15 Sep 2004, 08:00

The sum of four consecutive odd numbers is 12 less than the

sdanquah

15 Sep 2004, 09:11

3

2,348

15 Sep 2004, 14:31

A triangle is inscribed in a semicircle, so that one of the

sdanquah

15 Sep 2004, 09:18

1

1,745

15 Sep 2004, 10:10

Is this figure a square? (There was a drawing of a square

sdanquah

15 Sep 2004, 09:30

11

2,373

21 Sep 2004, 22:29

possessed876

15 Sep 2004, 10:54

3

2,070

16 Sep 2004, 04:31

At a certain airport there are 22 aircraft. 5 of the jets

Dan

15 Sep 2004, 21:59

6

1,827

17 Sep 2004, 01:55

A certain characterstic in a large population has a

drdas

16 Sep 2004, 11:16

0

1,089

16 Sep 2004, 11:16

In a martini mix.. which is n by volume, contains 40% of

neelam

16 Sep 2004, 14:39

4

1,861

17 Sep 2004, 07:18

Combination ---- Help Needed

Derek

16 Sep 2004, 20:46

0

1,338

16 Sep 2004, 20:46

Sonjasaid

17 Sep 2004, 14:12

2

1,201

20 Sep 2004, 07:56

Pick 5 numbers at random from integers 1 to 20. What is the

vj_sur

18 Sep 2004, 21:50

0

1,717

18 Sep 2004, 21:50

s, r, t, u are positive integers. and the standard deviation

Guest

19 Sep 2004, 00:38

2

2,174

19 Sep 2004, 08:44

x,y are integers asked x=?

marine

19 Sep 2004, 01:22

2

1,293

19 Sep 2004, 05:38

The mean of x, y, z is 10, x<y<z. z-x=3, which of the

Dookie

19 Sep 2004, 08:55

5

1,632

19 Sep 2004, 09:20

If y = x^2 + c is the equation of a curve, does this curve

crackgmat750

19 Sep 2004, 09:36

2

1,399

19 Sep 2004, 13:14

Probability lessons?

ice t

20 Sep 2004, 10:21

3

1,616

21 Sep 2004, 09:37

If anyone knows the quickest way around this problem pls let

kingpin333

21 Sep 2004, 16:28

0

974

21 Sep 2004, 16:28

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

srijay007

21 Sep 2004, 21:05

0

1,606

21 Sep 2004, 21:05

is there a collection of these problems anywhere i can print

ice t

23 Sep 2004, 09:10

3

1,306

23 Sep 2004, 11:32

This one is really tough..... 1,2,3 N 2,3,4 Y 3,4,5 N 4,5,6

Guest

24 Sep 2004, 15:14

0

1,047

24 Sep 2004, 15:14

A certain roller coaster has 3 cars, and a passenger is

karovd

25 Sep 2004, 00:45

0

1,268

25 Sep 2004, 00:45

a, b, c, d are integers, a<b<c<d, are a,b,c,d

sdanquah

26 Sep 2004, 23:15

3

1,445

27 Sep 2004, 02:35

A student is testing the lasting time of some lightbulbs, is

sdanquah

26 Sep 2004, 23:05

1

1,342

27 Sep 2004, 02:17

Wht is the range of the following 1/2 + 1/2^2 + 1/2^3+.....+

sdanquah

26 Sep 2004, 23:07

9

1,743

by: myfrankenstein

03 Oct 2004, 05:21

sdanquah

26 Sep 2004, 23:09

4

1,620

by: myfrankenstein

03 Oct 2004, 10:38

Each of the 45 boxes on shelf J weighs less than each of teh

sdanquah

27 Sep 2004, 10:13

2

1,483

27 Sep 2004, 14:12

combination problem

caribcon

29 Sep 2004, 09:09

0

1,183

29 Sep 2004, 09:09

OS: Flights are late

hardworker_indian

29 Sep 2004, 22:25

2

1,423

29 Sep 2004, 23:33

combination problem

caribcon

30 Sep 2004, 00:22

0

1,488

30 Sep 2004, 00:22

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