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Quants doubt: probability

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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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29 Sep 2018, 09:55

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Topics

What is the value of x ? 1. x^2 - 12x + 32 = 0 2. x \ge 0

suntaurian

05 Mar 2008, 17:45

4

1,499

05 Mar 2008, 22:33

What is the value of R? 1. R^R = R 2.

suntaurian

05 Mar 2008, 22:32

0

1,621

05 Mar 2008, 22:32

If x is an integer, is x a prime number? 1. x is a multiple

suntaurian

28 Feb 2008, 09:32

0

941

28 Feb 2008, 09:32

If n and y are positive integers and 450y = n^3, which is

suntaurian

24 Feb 2008, 17:27

0

998

24 Feb 2008, 17:27

If x, y, and k are positive numbers such that (10) + (20) =

suntaurian

10 Feb 2008, 22:57

0

1,005

10 Feb 2008, 22:57

A certain company that sells only cars and trucks reported

suntaurian

08 Feb 2008, 13:02

0

1,862

08 Feb 2008, 13:02

At a certain school, the ratio of the number of second

suntaurian

06 Feb 2008, 18:29

0

1,753

06 Feb 2008, 18:29

In the xy-plane, what is the slope of line l? (1) Line l

suntaurian

05 Feb 2008, 10:08

1

1,196

05 Feb 2008, 10:13

Ronald: According to my analysis of the national economy,

suntaurian

31 Jan 2008, 11:33

0

1,717

31 Jan 2008, 11:33

If A, then B. If B, then C. If C, then D. If all of the

suntaurian

30 Jan 2008, 12:16

0

1,699

30 Jan 2008, 12:16

A box contains 100 balls numbered from 1 to 100. If 3 bals

SunShine

14 Dec 2005, 13:56

0

1,282

14 Dec 2005, 13:56

During a behavioral experiment in a psychology class, each

Sunny143

16 Jun 2008, 13:15

0

1,359

16 Jun 2008, 13:15

For what value of 'k' will the sum of the equation 27x^2 +

sunniboy007

29 Jul 2022, 03:38

0

1,676

by: sunniboy007

29 Jul 2022, 03:38

A train crossed a man standing on a platform, 300 metres

sunniboy007

26 Dec 2007, 13:29

0

1,375

by: sunniboy007

26 Dec 2007, 13:29

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

Four flash lights begin to flash light together and then at

sunniboy007

01 Mar 2004, 14:08

2

1,572

05 Mar 2004, 14:59

Sunni 3/3/04 Q4

sunniboy007

03 Mar 2004, 17:04

7

1,977

04 Mar 2004, 06:57

There are three consecutive #s such that the square of the

sunniboy007

03 Mar 2004, 17:31

6

1,456

04 Mar 2004, 05:51

For what values of 'a' is the difference between the roots

sunniboy007

03 Mar 2004, 16:43

2

1,657

04 Mar 2004, 03:58

For what values of m does the equation x^2-x+m=0 possess no

sunniboy007

03 Mar 2004, 17:01

0

2,425

by: sunniboy007

03 Mar 2004, 17:01

HOw many different six digit #s exist, the sum of whose

sunniboy007

03 Mar 2004, 15:51

2

1,852

by: sunniboy007

03 Mar 2004, 16:22

What is the probability that four whole numbers taken at

sunniboy007

01 Mar 2004, 12:32

8

2,965

03 Mar 2004, 15:19

Which of the following is true if A = sqrt12 - sqrt11 and B

sunniboy007

29 Feb 2004, 15:47

5

1,844

03 Mar 2004, 09:52

What was the combined average marks scored by class A and

sunniboy007

02 Mar 2004, 17:28

2

1,296

by: sunniboy007

02 Mar 2004, 19:11

A student attempts to match three Latin words to their

sunniboy007

01 Mar 2004, 16:05

5

1,388

by: sunniboy007

02 Mar 2004, 19:10

What is the area of a quadrilateral inscribed in a circle,

sunniboy007

01 Mar 2004, 13:03

1

1,551

02 Mar 2004, 07:41

If 2 + i sqrt3 is a root of the equation x^2 + px + q = 0,

sunniboy007

01 Mar 2004, 16:12

1

1,636

01 Mar 2004, 18:48

What is the radius of a circle inscribed in a triangle whose

sunniboy007

01 Mar 2004, 13:54

1

1,564

01 Mar 2004, 18:29

How many integers greater than 7000 can be formed with the

sunniboy007

01 Mar 2004, 15:23

3

4,586

by: sunniboy007

01 Mar 2004, 15:56

In a class of 100 students, 46 passed in English, 46 passed

sunniboy007

01 Mar 2004, 14:11

0

4,860

by: sunniboy007

01 Mar 2004, 14:11

Each of the series 3+5+7+... & 4+7+10... n is continued

sunniboy007

29 Feb 2004, 18:42

1

1,869

29 Feb 2004, 18:53

What is the value of x^(1/2+1/4+1/8+...infinity) ? a. 1 b. x

sunniboy007

29 Feb 2004, 18:35

0

2,200

by: sunniboy007

29 Feb 2004, 18:35

What is the sum of all three digit numbers between 200 and

sunniboy007

29 Feb 2004, 17:22

4

2,223

29 Feb 2004, 18:11

Find the value of 'm' if the roots of the equation 2^m X^2 +

sunniboy007

29 Feb 2004, 17:16

2

1,243

by: sunniboy007

29 Feb 2004, 17:55

The sum of the reciprocal of the ages of two sisters is five

sunniboy007

29 Feb 2004, 16:36

0

2,305

by: sunniboy007

29 Feb 2004, 16:36

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

sunniboy007

04 Feb 2004, 11:12

0

2,372

by: sunniboy007

04 Feb 2004, 11:12

sunniboy007

30 Jan 2004, 14:49

3

1,749

04 Feb 2004, 03:18

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

sunniboy007

04 Feb 2004, 02:12

0

3,793

by: sunniboy007

04 Feb 2004, 02:12

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

sunniboy007

04 Feb 2004, 02:09

0

1,533

by: sunniboy007

04 Feb 2004, 02:09

For what values of x is the following inequality

sunniboy007

02 Feb 2004, 16:48

5

1,876

02 Feb 2004, 19:53

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

sunniboy007

30 Jan 2004, 20:31

6

2,030

30 Jan 2004, 21:50

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

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

sunniboy007

30 Jan 2004, 21:17

0

1,492

by: sunniboy007

30 Jan 2004, 21:17

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

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

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

sunniboy007

30 Jan 2004, 10:41

4

1,930

30 Jan 2004, 15:05

A journey of 150 miles from Sunniville to Gloomiville takes

sunniboy007

30 Jan 2004, 14:01

1

1,334

30 Jan 2004, 14:10

sunniboy007

26 Jan 2004, 17:44

4

1,637

30 Jan 2004, 13:50

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

sunniboy007

30 Jan 2004, 11:25

0

5,858

by: sunniboy007

30 Jan 2004, 11:25

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