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Quants doubt: probability

by: Bunuel

24 Apr 2026, 03:17

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Some of these are no longer applicable as questions have been modified over the years but we wanted to preserve them

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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

bb

29 Sep 2018, 09:55

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3,250

29 Sep 2018, 09:55

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Topics

How many different signals can be transmitted by hoisting 3

vivek_dj

31 Jan 2004, 22:04

0

1,260

31 Jan 2004, 22:04

For any numbers a and b, a ┬╖ b = a + b -ab If a

stoolfi

31 Jan 2004, 13:11

0

1,601

31 Jan 2004, 13:11

dflamen

31 Jan 2004, 12:42

2

2,002

31 Jan 2004, 12:34

What is the mean value of n-x, n-y, n-z, n-w? (1) The mean

nisimbst

31 Jan 2004, 06:44

3

2,295

31 Jan 2004, 09:44

reproducing from gmattutor group) Two walls face each other

Zhung Gazi

31 Jan 2004, 02:19

9

1,751

31 Jan 2004, 17:19

Folks. Not sure if this was ever posted before if u saw this

jumbie

30 Jan 2004, 22:09

5

1,911

31 Jan 2004, 21:00

For what value of k will the sum of the roots of the

sunniboy007

30 Jan 2004, 21:17

0

1,491

by: sunniboy007

30 Jan 2004, 21:17

If the roots of the equation 12x^2 - px +5 = 0 is in the

sunniboy007

30 Jan 2004, 20:31

6

2,028

30 Jan 2004, 21:50

Find 'c' in the equation 3x^2 + 2x - c = 0 if the difference

sunniboy007

30 Jan 2004, 20:17

3

1,789

30 Jan 2004, 20:32

A journey of 210 miles from a rock on Mars to another rock

sunniboy007

30 Jan 2004, 18:01

4

1,233

30 Jan 2004, 21:22

Find the least integral value of 'k' for which the equation

sunniboy007

30 Jan 2004, 17:36

0

6,494

by: sunniboy007

30 Jan 2004, 17:36

Find the value of 'b' if sqrt7 is a root of the equation x^2

sunniboy007

30 Jan 2004, 16:20

4

1,800

by: sunniboy007

30 Jan 2004, 17:32

sunniboy007

30 Jan 2004, 14:49

3

1,748

04 Feb 2004, 03:18

A journey of 150 miles from Sunniville to Gloomiville takes

sunniboy007

30 Jan 2004, 14:01

1

1,334

30 Jan 2004, 14:10

Two numbers are such that their sum is 54 and product is

sunniboy007

30 Jan 2004, 11:25

0

5,857

by: sunniboy007

30 Jan 2004, 11:25

Find 'k' in the equation 2x^2 + kx + 32 = 0 if the

sunniboy007

30 Jan 2004, 10:41

4

1,928

30 Jan 2004, 15:05

The roots of the equation 3x - 4sqrtx - 4 = 0 a. 1/sqrt3 , 4

sunniboy007

29 Jan 2004, 19:22

1

1,570

29 Jan 2004, 19:29

387 I was thinking if p is any prime number greater than,

tzec76

29 Jan 2004, 18:07

0

1,852

29 Jan 2004, 18:07

The roots of the equation 1/a+b+x = 1/a + 1/b + 1/x are a.

sunniboy007

29 Jan 2004, 15:21

4

2,011

by: aarrrggghhh

30 Jan 2004, 09:27

The two roots r1 and r2 of the quadratic equation 5x^2 - px

sunniboy007

29 Jan 2004, 14:43

0

1,839

by: sunniboy007

29 Jan 2004, 14:43

If the equation k(6x^2 + 3) + rx + (2x^2 - 1) = 0 and

sunniboy007

29 Jan 2004, 13:39

0

21,639

by: sunniboy007

29 Jan 2004, 13:39

One box has 9 bolts, 3 white and 6 red; and another box has

kpadma

29 Jan 2004, 13:33

1

1,069

29 Jan 2004, 14:28

The principle of a school wants to arrange 5 students on the

sunniboy007

29 Jan 2004, 11:18

0

2,346

by: sunniboy007

29 Jan 2004, 11:18

Mean and median

tzec76

29 Jan 2004, 08:05

0

2,159

29 Jan 2004, 08:05

Can anyone try and show the workings? A square countertop

tzec76

29 Jan 2004, 05:51

2

1,726

29 Jan 2004, 16:31

If s is a two-digit number (so s = qp with q and p digits),

Bhai

29 Jan 2004, 00:05

0

1,795

29 Jan 2004, 00:05

This weeks problem from http://www.manhattangmat.com/ I got

mantha

27 Jan 2004, 20:09

5

1,571

29 Jan 2004, 18:59

a crate contains 103 defective cellphones. if you distribute

MBA04

27 Jan 2004, 11:47

0

1,618

27 Jan 2004, 11:47

Thirty six identical computers must be arranged in rows with

Bhai

27 Jan 2004, 09:01

0

1,512

27 Jan 2004, 09:01

What was the value of the sales of Pioneer Computers in

Bhai

26 Jan 2004, 20:02

2

1,263

26 Jan 2004, 21:47

sunniboy007

26 Jan 2004, 17:44

4

1,635

30 Jan 2004, 13:50

Find the value of 'a' and 'b' if sq root of 3 is a root of

sunniboy007

26 Jan 2004, 16:54

4

1,482

29 Jan 2004, 13:40

For what value of 'k' will the sum of the roots of the

sunniboy007

26 Jan 2004, 16:47

0

1,396

by: sunniboy007

26 Jan 2004, 16:47

If the roots of the equation 2^m x^2 + 8x + 32^m = 0 are

sunniboy007

26 Jan 2004, 14:43

5

2,567

by: sunniboy007

29 Jan 2004, 13:57

How many numers are there between 100 and 1000 such that

sunniboy007

25 Jan 2004, 17:05

3

1,825

by: sunniboy007

26 Jan 2004, 14:58

How many words can be found with the letters of the word

sunniboy007

25 Jan 2004, 12:39

2

6,036

by: sunniboy007

26 Jan 2004, 14:57

Find the remainder of 2^256 divided by 17 a)1 b)7 c)11 d)13

stoolfi

24 Jan 2004, 16:37

0

12,145

24 Jan 2004, 16:37

tzec76

22 Jan 2004, 07:06

0

2,360

22 Jan 2004, 07:06

Is there any easy way to find how many digits will be there

gmatblast

21 Jan 2004, 21:50

4

2,140

23 Jan 2004, 07:44

Qn 225. Club Number of students Chess 40 Drama 30 Math 25

tzec76

20 Jan 2004, 20:06

0

2,734

20 Jan 2004, 20:06

Qn 266. If the two-digit integers M and N are positive and

tzec76

20 Jan 2004, 14:17

0

1,724

20 Jan 2004, 14:17

if x+y+z>0 is z>1? 1) z>x+y+1 2) x+y+1<0 I said

Seftali

19 Jan 2004, 12:23

0

1,333

19 Jan 2004, 12:23

There is some flaw in my logic here...pls point it out....

neetamittal

19 Jan 2004, 09:45

0

2,010

by: neetamittal

19 Jan 2004, 09:45

If I travelled the first one-third of my journey between

sunniboy007

17 Jan 2004, 13:43

2

1,775

17 Jan 2004, 21:51

It is one of the Powerprep questions, and I am figuring the

tzec76

17 Jan 2004, 13:21

0

1,891

17 Jan 2004, 13:21

I row upstream 36 km and back again to the starting point in

sunniboy007

16 Jan 2004, 16:40

1

1,639

16 Jan 2004, 16:52

My Banana boat travels at a speed of 24 km/hr in still

sunniboy007

16 Jan 2004, 15:36

2

1,472

16 Jan 2004, 19:12

A boat travels at the speed of 15 km/hr in still water.

sunniboy007

16 Jan 2004, 14:35

3

2,497

16 Jan 2004, 15:18

Two trains, 400 and 320 metres long take a minute to cross

sunniboy007

16 Jan 2004, 13:24

2

1,998

by: sunniboy007

16 Jan 2004, 15:32

A train running at 81 km/hr takes 24 seconds to cross a

sunniboy007

16 Jan 2004, 13:08

14

2,060

by: sunniboy007

16 Jan 2004, 15:14

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