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Quants doubt: probability

by: Peterparker2

23 Apr 2026, 22:54

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doubt on this question

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23 Apr 2026, 22:52

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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

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

sunniboy007

26 Jan 2004, 17:44

4

1,635

30 Jan 2004, 13:50

What was the value of the sales of Pioneer Computers in

Bhai

26 Jan 2004, 20:02

2

1,262

26 Jan 2004, 21:47

Thirty six identical computers must be arranged in rows with

Bhai

27 Jan 2004, 09:01

0

1,511

27 Jan 2004, 09:01

a crate contains 103 defective cellphones. if you distribute

MBA04

27 Jan 2004, 11:47

0

1,618

27 Jan 2004, 11:47

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

mantha

27 Jan 2004, 20:09

5

1,571

29 Jan 2004, 18:59

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

Can anyone try and show the workings? A square countertop

tzec76

29 Jan 2004, 05:51

2

1,726

29 Jan 2004, 16:31

Mean and median

tzec76

29 Jan 2004, 08:05

0

2,159

29 Jan 2004, 08:05

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

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

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

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

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

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 3x - 4sqrtx - 4 = 0 a. 1/sqrt3 , 4

sunniboy007

29 Jan 2004, 19:22

1

1,570

29 Jan 2004, 19:29

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

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

A journey of 150 miles from Sunniville to Gloomiville takes

sunniboy007

30 Jan 2004, 14:01

1

1,333

30 Jan 2004, 14:10

sunniboy007

30 Jan 2004, 14:49

3

1,747

04 Feb 2004, 03:18

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

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

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

sunniboy007

30 Jan 2004, 18:01

4

1,231

30 Jan 2004, 21:22

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

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

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

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

reproducing from gmattutor group) Two walls face each other

Zhung Gazi

31 Jan 2004, 02:19

9

1,750

31 Jan 2004, 17:19

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

dflamen

31 Jan 2004, 12:42

2

2,001

31 Jan 2004, 12:34

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

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

Elevator Problem

norbertackerman

31 Jan 2004, 22:13

7

3,690

02 Feb 2004, 11:43

source: rutgers.edu How many permutations are there of the

Zhung Gazi

01 Feb 2004, 02:45

3

1,283

04 Feb 2004, 13:35

Do there exist reals b, c so that x2 + bx + c = 0 and x2 +

Zhung Gazi

01 Feb 2004, 03:04

1

1,766

02 Feb 2004, 08:53

The digits of n strictly increase from left to right. Find

Zhung Gazi

01 Feb 2004, 03:13

2

1,402

01 Feb 2004, 07:08

integral part of x = an integer n such that n <= x <

Zhung Gazi

01 Feb 2004, 03:23

7

1,926

05 Feb 2004, 09:12

Reduce each of the first billion natural numbers (billion =

Zhung Gazi

01 Feb 2004, 03:30

2

1,343

01 Feb 2004, 06:51

In a sample of college students, 40% are third-year students

dflamen

01 Feb 2004, 12:16

0

1,723

01 Feb 2004, 12:16

For what values of x is the following inequality

sunniboy007

02 Feb 2004, 16:48

5

1,876

02 Feb 2004, 19:53

From OG, How many different positive intergers are factors

mr_sarn

02 Feb 2004, 19:01

0

1,826

02 Feb 2004, 19:01

What is the fastest way of doing this kinda problems.... How

vivek_dj

02 Feb 2004, 21:03

4

1,840

03 Feb 2004, 12:34

A deck of ordinary cards is shued and 13 cards are dealt.

Bhai

03 Feb 2004, 08:55

0

7,924

03 Feb 2004, 08:55

There were 36.000 hardback copies of a certain novel sold

Bhai

03 Feb 2004, 18:37

0

1,891

03 Feb 2004, 18:37

Find the value of 'a' and 'b' if sqrt5 is a root of the

sunniboy007

04 Feb 2004, 02:09

0

1,532

by: sunniboy007

04 Feb 2004, 02:09

In how many ways can one post 5 letters in 10 different

sunniboy007

04 Feb 2004, 02:12

0

3,789

by: sunniboy007

04 Feb 2004, 02:12

A number of points are marked on a plane and are connected

sunniboy007

04 Feb 2004, 11:12

0

2,370

by: sunniboy007

04 Feb 2004, 11:12

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

vivek_dj

04 Feb 2004, 21:37

0

1,795

04 Feb 2004, 21:37

tzec76

08 Feb 2004, 08:45

3

1,541

08 Feb 2004, 12:44

Distinct factors

tzec76

08 Feb 2004, 09:09

0

2,149

08 Feb 2004, 09:09

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