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Quants doubt: probability

by: Bunuel

24 Apr 2026, 03:17

15,589

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Some of these are no longer applicable as questions have been modified over the years but we wanted to preserve them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

Quant Question Archive [LOCKED]

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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

0

3,250

29 Sep 2018, 09:55

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Topics

700 level quant

madgmat2019

12 Oct 2019, 02:41

5

3

6,239

06 Oct 2021, 09:08

70,75,80,85,90,105,105,130,130,130 The above list consists

rpmodi

23 Apr 2008, 17:23

0

3,169

23 Apr 2008, 17:23

70,75,80,85,90,105,105,130,130,130 n=10 mean =100 std = 22.4

gmat_march

09 Aug 2007, 13:51

3

1,308

09 Aug 2007, 16:49

70 differs from the average by one standard deviation ...

alexcey

29 Dec 2011, 20:52

4

1,397

30 Dec 2011, 00:40

7) A circluar mat with diameter 20 inches is placed on a

pm4553

16 Oct 2008, 10:26

0

1,517

16 Oct 2008, 10:26

7 Veritas CAT's for only 10$ - only until June 12th

naorba

06 Jun 2017, 11:05

1

4

1,988

11 Jun 2017, 04:23

7 tricky PS and DS!!!

eribold

18 Feb 2007, 16:23

0

1,823

18 Feb 2007, 16:23

7 Tips to Improve Your GMAT Quant Score

ScottTargetTestPrep

19 Aug 2022, 12:53

5

1

1,631

10 Nov 2023, 00:58

7 Percent of 9 is.....

itsmedavidv

09 Apr 2015, 23:12

1

2

1,727

10 Apr 2015, 05:56

7 digit telephone number

sandalphon

18 Dec 2005, 08:49

1

1,836

18 Dec 2005, 09:30

7 boys and 9 girls are in a club. In how many ways can they

carsen

03 Jun 2004, 02:09

2

1,908

03 Jun 2004, 19:52

7 basketball teams with five players each are at a

girikorat

10 Oct 2006, 10:58

1

1,635

10 Oct 2006, 11:24

6x^4 - 25x^3 + 12x^2 + 25x + 6 = 0 Find possible values of

bumpbot

23 Jun 2020, 11:11

0

5,845

23 Jun 2020, 11:11

6x + 2y+4z = 16 5x+3y+1z = 13.5 4x+3y+3z = 12.5 find xyz

yasmeen

22 Jun 2006, 10:04

5

2,652

22 Jun 2006, 15:29

6r-9s/r-s then what is the ratio of r to s A) 6:1 B) 5:2 C)

Capthan

08 Mar 2008, 07:13

1

1,000

08 Mar 2008, 09:54

650 to 680, but my quant still sucks!

Devon

23 Sep 2013, 11:55

2

3,890

24 Sep 2013, 07:02

65% of children in a sports club play football, 10% play

cloaked_vessel

03 Apr 2005, 17:54

6

1,658

04 Apr 2005, 09:16

64 32 if X = 64, what is the value of X ? a. 8 or -8 b. 12

Murti

18 Nov 2004, 23:59

1

1,071

19 Nov 2004, 07:50

600-700 level questions

Shbm

30 Jul 2018, 20:20

3

3

14,225

01 Dec 2020, 04:38

60% of the students in a certain class like playing computer

arjtryarjtry

04 Sep 2008, 23:55

2

1,730

05 Sep 2008, 00:06

60 cookies were to be equally distributed between X campers.

mastergmat1

12 May 2020, 01:09

0

5,533

by: mastergmat1

12 May 2020, 01:09

60 cookies are equally distributed to x campers. When 8

bumpbot

20 Jan 2021, 23:36

0

1,260

20 Jan 2021, 23:36

6^14*5^13-6^13*5^14

GMATCUBS21

04 Jul 2006, 12:42

4

1,472

05 Jul 2006, 02:01

6 workers working at a constant rate can complete the job in

skinsvt

02 Jun 2007, 13:19

4

1,252

by: menonsujith

02 Jun 2007, 21:36

6 persons seat themselves at round table. What is the

araspai

09 Oct 2003, 21:41

2

4,521

15 Oct 2003, 23:02

6 person sit around a table. In how many ways can they sit

mahesh004

26 May 2006, 04:50

6

2,766

31 May 2006, 12:39

6 men and 1 woman can complete some work in 2 days.3 men and 8 women

chetan2u

25 Sep 2025, 08:36

0

7,894

25 Sep 2025, 08:36

6 married couples are present at a party. if 4 people are

shoonya

07 Aug 2006, 14:51

0

1,664

07 Aug 2006, 14:51

6 married couple are present at a party. If 4 people are

bumpbot

20 Jan 2021, 23:30

0

3,178

20 Jan 2021, 23:30

6 machines, all working at a constant rate, together can do

Jennif102

10 Oct 2005, 07:49

1

5

1,976

10 Oct 2005, 08:54

6 machines working at the same rate takes 12 hours to finish

ywilfred

28 Aug 2007, 19:25

9

1,375

28 Aug 2007, 22:17

6 fair dice are tossed. What is the probability that at

cloaked_vessel

16 Oct 2005, 20:59

0

1,481

by: cloaked_vessel

16 Oct 2005, 20:59

6 fair dice are tossed. What is the probability that at

IrinaOK

12 Oct 2007, 02:53

0

2,042

12 Oct 2007, 02:53

6 cards are numbered with 1, 2,3, 4, 5, and 6. Firstly, one

bumpbot

28 Jan 2022, 04:40

0

2,670

28 Jan 2022, 04:40

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

vj_sur

13 Sep 2004, 12:52

7

1,584

13 Sep 2004, 13:40

5x^2 + 3x -2 = 7x why does this have just one solution

bumpbot

20 Jan 2021, 23:22

0

1,630

20 Jan 2021, 23:22

5q+3t = 7, 2q-3t= 7 (Minor help with manipulation)

feellikequitting

12 Sep 2012, 10:20

5

1,721

14 Oct 2012, 15:46

58^2 + 58^2)/29^2. For some reason i keep getting 4. Pls

inwosu

03 Jan 2008, 10:39

6

1,455

05 Jan 2008, 07:30

55th percentile quantitative GMAT

sagnik242

09 Aug 2014, 09:15

1

3,335

19 Aug 2014, 11:40

exploringm

10 Feb 2013, 21:10

6

4

3,471

11 Feb 2013, 09:59

51) How many integers from 0 to 50, inclusive, have a

jamesrwrightiii

30 Jul 2007, 04:55

0

1,287

by: jamesrwrightiii

30 Jul 2007, 04:55

51) How many integers from 0 to 50, inclusive, have a

jamesrwrightiii

26 Aug 2007, 09:15

0

3,726

by: jamesrwrightiii

26 Aug 2007, 09:15

51 level question - broken/bad question?

riceman89

28 Jun 2016, 23:49

1

1,481

29 Jun 2016, 00:14

5002/4=1250.50 can someone please explain this division..

haritha nittoor

06 Nov 2017, 10:00

3

4

4,780

19 Nov 2017, 09:02

50% of the factory workers are not older than 30 years old.

beckee529

29 Oct 2007, 19:01

0

3,254

29 Oct 2007, 19:01

50 Sets of Formulae for Quant

maverick05

15 Jul 2011, 12:51

4

2

2,299

15 Jul 2011, 15:39

5^x - 5^(x-3) = 124(5^y), what is y in terms of x? A x B x-6

nervousgmat

26 Jul 2007, 16:57

0

1,427

by: nervousgmat

26 Jul 2007, 16:57

5^k тАУ 5^(k тАУ 1) 5^k

skinsvt

26 Apr 2007, 08:35

1

1,355

26 Apr 2007, 11:08

5^21) x (4^11) = 2 X (10^n) What is n? 11, 21, 22, 23, 32

tlauber

23 Oct 2007, 08:07

1

1,859

23 Oct 2007, 08:15

5^21) * (4^11) = (2) * (10^n) n =

yb

15 Dec 2005, 15:38

1

1,845

15 Dec 2005, 15:45

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