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Quants doubt: probability

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24 Apr 2026, 03:17

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Some of these are no longer applicable as questions have been modified over the years but we wanted to preserve them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

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3,250

29 Sep 2018, 09:55

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Topics

2^2-1)(2^2+1)(2^4+1)(2^8+1) a 2^16-1 b 2^16+1 c 2^32-1 d

over13

03 Feb 2005, 12:53

0

1,795

03 Feb 2005, 12:53

2^(4-1)^2/(2^(3-2))=? Thanks group

dominion

11 Apr 2008, 00:26

0

1,227

11 Apr 2008, 00:26

2^(4-1)^2/ 2^(3-2)= a) 2^8 b) 2^7 c) 2^6 d) 2^5 e) 2^4

bumpbot

29 Dec 2021, 02:00

0

3,151

29 Dec 2021, 02:00

2^(4-1)^2 = 2^3-2 2^8 2^7 2^6 2^5 2^4

bumpbot

05 Feb 2022, 10:10

0

2,056

05 Feb 2022, 10:10

2^(4-1)^2 / 2 ^ 3-2 = 2 ^8 2 ^ 7 2 ^ 6 2 ^ 5 2 ^ 4 This

alimad

25 Nov 2007, 18:38

1

1,855

25 Nov 2007, 20:13

2^(4-1)^2 / 2 ^ 3-2

Vavali

17 Jun 2008, 10:44

6

1,684

17 Jun 2008, 19:51

2^(2m+1) = 2^(n+2) what is m+n ? a) if 2^(3n-1)=256 b) if

mdf2

26 Jan 2005, 21:14

4

1,496

by: banerjeea_98

27 Jan 2005, 10:22

2^(-10a)=1/2 thank you

dominion

01 Jul 2008, 01:15

1

1,396

01 Jul 2008, 01:24

2 women A and B can mow a field in 8 an 12 hrs resp. They

remgeo

04 May 2006, 08:31

8

2,254

07 May 2006, 14:45

2 vessels contain mixture of water and milk in the ratio 1:2

bumpbot

29 Jan 2019, 06:11

0

2,573

29 Jan 2019, 06:11

2 tough GmatPrep questions!!

eribold

28 Feb 2007, 04:59

1

1,528

by: CookieMonster

28 Feb 2007, 07:41

2 to the x)- (2 to the (x-2)) =3(2 to the 13), what is the

ayl989

18 Apr 2007, 22:21

0

988

18 Apr 2007, 22:21

2 sums with Modulus and Inequality both

rahuljaiswal

27 Oct 2010, 02:55

7

17

11,042

19 Jul 2017, 04:28

2 Seemingly Contradictory Cases: When to Perform Factorial Adjustments

FictionFire

15 Dec 2022, 09:59

0

873

by: FictionFire

15 Dec 2022, 09:59

2 schools in a village. avg age of kids in school 1 = 12.2;

successstory

29 Nov 2006, 22:15

0

1,070

by: successstory

29 Nov 2006, 22:15

2 Questions Practice Set (part 1)

nitostyle

07 Jan 2008, 03:01

3

3

2,457

07 Jan 2008, 05:57

2 questions from GMATPrep

bumpbot

30 Mar 2022, 04:11

0

1,645

30 Mar 2022, 04:11

2 questions from ETS practice tests

peachtree

19 Jul 2006, 01:28

0

1,367

19 Jul 2006, 01:28

2 quant questions - GmatPrep

eribold

25 Feb 2007, 05:32

1

1,413

25 Feb 2007, 06:33

2 pumps working simultaneously at their respective rates

bumpbot

04 Jan 2021, 04:48

0

1,852

04 Jan 2021, 04:48

2 pumps together take 4 hrs. rate of 1 is 1.5 times the rate

successstory

01 Feb 2007, 05:13

3

1,259

01 Feb 2007, 15:45

2 pumps together take 4 hrs. rate of 1 is 1.5 times the rate

successstory

01 Feb 2007, 15:33

4

1,346

by: devilmirror

02 Feb 2007, 16:41

eribold

17 Feb 2007, 14:29

0

3,478

17 Feb 2007, 14:29

2 MORE SIMPLE PROBABILITY QUESTIONS

bumpbot

19 Jan 2022, 07:08

0

2,186

19 Jan 2022, 07:08

bsd_lover

21 Jun 2008, 02:36

1

3

4,720

21 Jun 2008, 20:53

2 MGMAT ratio/work, problems

VirtualM

28 Jan 2011, 08:17

0

2,448

28 Jan 2011, 08:17

2 Math Questions

g1m2a3t406

25 Nov 2006, 17:23

0

1,216

25 Nov 2006, 17:23

2 GMATPrep questions

Bluebird

23 Jul 2007, 19:34

0

2,111

23 Jul 2007, 19:34

2 GMAT Number system question

MrMicrostrip

07 Jun 2011, 06:26

1

10

5,253

by: sukhbarinder

11 Jun 2011, 09:27

2 finalists, A and B, are competing for a title, which will

july05

16 May 2005, 03:11

1

1,106

16 May 2005, 04:01

2 excavators can dig a 10 meter trench in 50 minutes. How

bumpbot

18 Jan 2021, 10:17

0

8,159

18 Jan 2021, 10:17

2 couples and a single person are to be seated randonly in a

bumpbot

28 Jan 2022, 01:44

0

1,807

28 Jan 2022, 01:44

2 couples and a single person are seated at random in a row

chillpill

19 Apr 2006, 09:05

0

1,265

19 Apr 2006, 09:05

2 Combination Qs. 1. How many ways to choose a group of 3

Priti

18 Aug 2005, 02:43

8

1,740

18 Aug 2005, 19:44

2 cars started at the same point and travelled a straight

bumpbot

02 Jan 2021, 11:14

0

11,908

02 Jan 2021, 11:14

2 cars are 120 miles apart.If both cars go at a constant

cloaked_vessel

06 Mar 2005, 18:46

8

3,054

09 Mar 2005, 19:07

2 bags have white / black marbles . first bag 8white 6 blakc

rxs0005

07 May 2005, 07:28

4

1,707

07 May 2005, 09:50

2 63 + 2/(8+3 7)] = A. 8 + 3 7 B. 4 + 3 7 C. 8 D. 4 E. 7

marcodonzelli

19 Jan 2008, 13:32

0

1,664

by: marcodonzelli

19 Jan 2008, 13:32

2 + 2 + 2^2 + 2^3 + 2^4 + 2^6 + 2^7 + 2^8 =

georgechanhc

04 Jan 2009, 00:50

1

1,608

04 Jan 2009, 15:28

2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 a. 2^9 b.

bumpbot

18 Jan 2021, 10:07

0

1,763

18 Jan 2021, 10:07

2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 = a) 2^9 b)

tarek99

10 Dec 2007, 16:01

0

972

10 Dec 2007, 16:01

2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 = 2^9 2^10

nikhilv

14 Jun 2006, 17:19

4

2,372

15 Jun 2006, 00:53

2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 = 2^9 2^10

jimmyjamesdonkey

12 Apr 2008, 12:37

6

2,150

by: GMATBLACKBELT

14 Apr 2008, 06:19

2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 = ? 1) 2^9

tl372

03 Jun 2006, 15:24

0

1,830

03 Jun 2006, 15:24

2 + 2 + 2 + (2^2) + (2^3) + (2^4) + (2^5) + (2^6) + (2^7) +

GMAT_700

20 Sep 2007, 15:43

5

1,610

21 Sep 2007, 01:12

2 + 2 + 2 ^2 + 2 ^3 + 2 ^4 + 2 ^5 + 2 ^6 + 2 ^7 + 2 ^8 = 2 ^

alimad

29 Jun 2008, 14:56

6

1,322

01 Jul 2008, 06:22

2 + .. + ^20 is b/w? and 2/3 2/3 and and 9/10 9/10 AND 10/9

marcodonzelli

02 Mar 2008, 08:56

1

2

1,432

by: marcodonzelli

02 Mar 2008, 11:00

2 (power x) - 2 (power x-2) = 3(2 (power 13)) a. 9 b. 11 c.

jdphenom316

24 Nov 2008, 12:14

0

4,462

by: jdphenom316

24 Nov 2008, 12:14

2 (? 4 ? (? 3 + 5)) = (A) ? 16 (B) ? 10 (C) 6 (D) 12 (E) 16

Yurik79

09 Feb 2006, 08:11

0

1,160

09 Feb 2006, 08:11

2 -1 0 1 2 Assuming the above is a number line: Of the five

bumpbot

06 Feb 2023, 09:00

0

1,882

06 Feb 2023, 09:00

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