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Quants doubt: probability

by: Peterparker2

23 Apr 2026, 22:54

15,589

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36,367

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doubt on this question

by: Peterparker2

23 Apr 2026, 22:52

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Some of these are no longer applicable as questions have been modified over the years but we wanted to preserve them

1,596

Topics

5,677

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23 Apr 2026, 15:18

Quant Question Archive [LOCKED]

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Announcements

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 x? should be easy..

beckee529

01 Nov 2007, 15:15

1

914

by: GMATBLACKBELT

01 Nov 2007, 15:26

2^x+y/2^x-y=2^6 What is Y? And 72^8/9^3=? Is there any

skinsvt

24 Mar 2007, 09:50

7

914

24 Mar 2007, 14:23

If A and B are positive integers, is a^2 + b^2 divisible by

bmwhype2

25 Nov 2007, 13:31

0

916

25 Nov 2007, 13:31

Is X negative 1) X^3(1-X^2)< 0 2) X^2 1<0 (Source OG

mitul

12 Dec 2006, 05:07

0

916

12 Dec 2006, 05:07

How do you solve x^2<16, and get -4<x<4?

Louis14

12 Feb 2020, 09:10

2

2

917

15 Feb 2020, 22:39

To relax a little this higly quantitative section, well,

Fig

08 Oct 2007, 13:45

3

917

09 Oct 2007, 23:03

The line y=2x+b intersects axis-x at the point (-2,0). At

getzgetzu

05 May 2006, 23:32

1

917

06 May 2006, 00:04

X*(X-5)*(X-2)=0 X=? 1) X*Y is nonzero 2) X^2-2X-15 is

getzgetzu

05 May 2006, 23:42

1

918

06 May 2006, 00:02

Why not test cases on DS?

avigutman

10 Apr 2021, 17:18

1

0

919

10 Apr 2021, 17:18

If ab <> 0 and points (-a, b) and (-b, a) are in the

asaf

14 Jul 2007, 15:32

0

919

14 Jul 2007, 15:32

What is the highest power of 7 in 5000! ? a) 4998 b) 714 c)

jlui4477

25 Feb 2006, 19:42

0

919

25 Feb 2006, 19:42

Possibly a wrong solution on ManhattanPrep Quant?

dsmba

24 Mar 2019, 19:13

2

920

27 Mar 2019, 16:50

If n is the product of the least and the greatest of 6

marcodonzelli

28 Dec 2007, 02:00

0

920

by: marcodonzelli

28 Dec 2007, 02:00

Is the integer n odd? 1. n is divisible by 3; 2. 2n is

Richard Lee

27 Dec 2007, 04:23

0

920

by: Richard Lee

27 Dec 2007, 04:23

Please explain low GMATPill score

standyonda

12 May 2018, 13:23

0

921

12 May 2018, 13:23

Circle C and line K lie in the XY- plnae. If circle C is

blog

04 Feb 2008, 16:53

0

921

04 Feb 2008, 16:53

Which of the following is equal to (2^12-2^6)/(2^6-2^3) A.

GMATCUBS21

25 Jun 2006, 20:42

0

921

25 Jun 2006, 20:42

Quant Reasoning Launch Announcement - Free Trial

avigutman

20 Nov 2020, 18:09

0

922

20 Nov 2020, 18:09

Work problem with 3 different variables

anabil

22 Jul 2008, 11:51

0

922

22 Jul 2008, 11:51

1) If x and y are positive integers such that x = 8y+12,

cejismundo

17 Sep 2006, 03:31

0

922

17 Sep 2006, 03:31

if x <0, then square root (-x|x|) is a. -x b. -1 c. 1 d.

flowers24

05 Aug 2006, 20:19

0

922

05 Aug 2006, 20:19

Is X negative ? 1. Xpower3 (1-Xpower2)<0 2.

blog

31 Jan 2008, 21:58

0

923

31 Jan 2008, 21:58

Six cards numbered from 1 to 6 are placed in an empty bowl.

marcodonzelli

14 Mar 2008, 07:58

0

924

by: marcodonzelli

14 Mar 2008, 07:58

Problem gmatpreb need help

nl_kazoo

22 Oct 2007, 08:03

0

924

22 Oct 2007, 08:03

Join Target Test Prep's Free GMAT Quant Webinar on Combinations

ScottTargetTestPrep

09 Nov 2022, 13:38

7

0

925

by: ScottTargetTestPrep

09 Nov 2022, 13:38

can someone give me examples and how they differ

bmwhype2

02 Oct 2007, 12:14

1

925

by: KillerSquirrel

02 Oct 2007, 12:23

A knife company enlisted N people to sale 200 knives each,

jet1445

01 Aug 2007, 01:49

0

927

01 Aug 2007, 01:49

Need review for Math revolution 100 questions (700+)

kreel11

30 Oct 2019, 19:47

0

928

30 Oct 2019, 19:47

How many integers between 324,700 and 458,600 have tens

sushom101

07 Oct 2005, 15:46

0

929

07 Oct 2005, 15:46

I am not able to open any attachment. Are others facing the

[email protected]

12 May 2007, 07:11

2

930

by: Sergey_is_cool

12 May 2007, 20:53

Simple maths question

GMAT?

20 Dec 2006, 13:18

2

930

20 Dec 2006, 15:26

Sorry - here it is again. The value of 10^8-10^2/10^7-10^3

Matrix02

19 Nov 2006, 14:28

0

933

19 Nov 2006, 14:28

Which of the following inequalities has a solution set that,

alimad

25 Sep 2006, 22:34

0

933

25 Sep 2006, 22:34

What is the remainder of (p^2) / 12? 1. p is odd 2. p is

bmwhype2

23 Nov 2007, 08:40

0

934

23 Nov 2007, 08:40

Is A positive? 1. x^2 - 2X + A is positive for all X 2. + 1

bmwhype2

29 Oct 2007, 14:17

0

934

29 Oct 2007, 14:17

the sum of two numbers is 9, sum of there square is 41, find the numbe

anmolg

03 Sep 2023, 04:38

2

935

03 Sep 2023, 10:05

IR: Select Circuit boards for the option that fills the blank labeled

bumpbot

04 Dec 2020, 08:49

0

935

04 Dec 2020, 08:49

Which of the following fractions has a decimal equivalent

Ravshonbek

09 Dec 2007, 23:00

0

935

09 Dec 2007, 23:00

The diameters of 3 different circles, which have a common

getzgetzu

06 May 2006, 04:06

1

935

06 May 2006, 04:15

A photographer will arrange 6 people of 6 different heights

bumpbot

01 Feb 2019, 02:54

0

936

01 Feb 2019, 02:54

What is the greatest prime factor of 4^17-2^28? a) 2 b) 3 c)

hotdog

04 Jan 2008, 14:46

0

936

04 Jan 2008, 14:46

Dear Expert Bunuel's strategic advice needed

dato10kokli

02 Dec 2020, 07:03

0

938

by: dato10kokli

02 Dec 2020, 07:03

Intergers m and p are such that 2 < m < p and m is NOT

alimad

24 Mar 2007, 23:45

0

938

24 Mar 2007, 23:45

The interior of a rectangular carton is designed by a

girikorat

02 Nov 2006, 09:47

0

938

02 Nov 2006, 09:47

not a gmat question

iatii

16 Feb 2021, 01:26

1

4

939

21 Feb 2021, 00:07

What is the greatest prime factor of 4 ^17 - 2^ 28 2 3 5 7

alimad

27 Jun 2008, 19:55

0

939

27 Jun 2008, 19:55

X,A,B are positive integers. When X is divided by A, the

apollo168

30 Aug 2006, 17:47

0

939

30 Aug 2006, 17:47

Is there any easy way to know what are prime factors of (b^n +-a)?

gmat800live

02 Oct 2018, 08:14

2

1

940

07 Oct 2018, 12:55

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

suntaurian

28 Feb 2008, 09:32

0

940

28 Feb 2008, 09:32

Try this, is under time pressure I messed up! If m>0 and

chiragr

17 Jan 2006, 15:56

0

940

17 Jan 2006, 15:56

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