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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

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Some of these are no longer applicable as questions have been modified over the years but we wanted to preserve them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

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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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2(2^x) when you simplify this = 2^x+1 how in the world do

TrillTalk

20 Sep 2008, 18:29

2

1,186

25 Sep 2008, 11:48

2) If n is a +ve integer, what is the units digit of n A)

lnaik

17 Oct 2007, 08:18

2

1,294

17 Oct 2007, 19:11

2) Last month 15 homes were sold in town X. Avg sale price

tank

22 Nov 2005, 20:46

0

1,347

22 Nov 2005, 20:46

2)^-3n= (8)^-9+(12)^-4 what is the value of 32n

sotod

03 May 2008, 11:13

1

1,038

03 May 2008, 11:25

2)(3)(4)(7)(11)(13) ) / ( (21)(y) ) what are possible values

consultinghokie

09 May 2006, 14:31

7

1,578

11 May 2006, 00:45

2*14 - 15/3 + 15 * 3/90) / (8 * .0125) 2 1 0 -1 -17

bumpbot

17 Oct 2023, 10:54

0

1,779

17 Oct 2023, 10:54

2/3 of the males and 3/5 of females speak Chinese. If the

bmwhype2

06 Nov 2007, 23:23

2

1,303

19 Nov 2007, 00:16

2+2+2^2+2^3+2^4+2^5+2^6+2^7+2^8 = ? I realise there is a

shehreenquayyum

14 Oct 2019, 05:23

0

797

by: shehreenquayyum

14 Oct 2019, 05:23

2+2+2^2+2^3+2^4+2^5+2^6+2^7+2^8= 2^9 2^10 2^16 2^35 2^37

Capthan

13 Jun 2008, 07:19

0

2,088

13 Jun 2008, 07:19

20 / 2^5 = (1/ 2^m ) + ( 1 / 2^n ) What is m+n ? A) 2 b) 3

bumpbot

19 Jun 2023, 09:30

0

1,785

19 Jun 2023, 09:30

bmwhype2

19 Nov 2007, 11:16

6

1,438

by: KillerSquirrel

19 Nov 2007, 13:55

20% question wrong on first attempt in OG13

nicoden

19 Jan 2014, 14:57

2

1,966

20 Jan 2014, 00:29

200 people took a survey. 40 people voted for both A and B,

joemama142000

22 Apr 2006, 16:49

6

1,707

by: sherinaparvin

23 Apr 2006, 08:14

2000 Euros invested in year 2001 becomes 64000 Euros in the

sunniboy007

12 Jan 2004, 14:06

3

1,550

by: sunniboy007

12 Jan 2004, 14:41

2002 sales increase x% from 2001. 2003 sales decrease x%

bumpbot

31 Jul 2019, 02:06

0

1,713

31 Jul 2019, 02:06

2005! = x How many zeros does x have? I am sorry if the

mr_sarn

11 Feb 2005, 17:29

10

2,346

14 Feb 2005, 19:26

2018 Official Guide GMAT: Free Video Explanations

dabral

18 Aug 2023, 18:09

9

1

4,871

26 Mar 2020, 16:41

21 correct out of 31 - still Q38??

KB04

26 Oct 2018, 09:32

2

4

7,969

05 Nov 2018, 13:33

22 - | y + 14 | = 20

erikvm

29 Nov 2019, 09:25

0

2,357

29 Nov 2019, 09:25

22 ONLINE FREE (FULL LENGTH) GMAT CAT (PRACTICE TESTS) LINK COLLECTION

GMATinsight

22 Feb 2017, 12:41

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77,505

by: GMATinsight

22 Feb 2017, 12:41

24 lbs of coffee P and 25 lbs of coffee V are mixed to make

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12 Feb 2006, 01:15

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1,600

12 Feb 2006, 09:06

24 Very Imp++....Questions........

manishuol

11 May 2013, 05:16

25

11

4,136

29 Aug 2013, 23:18

241 if the integer n has exactly three positive divisors,

sondenso

26 Feb 2008, 23:46

0

1,447

26 Feb 2008, 23:46

25 balls in a box. colors: red, white or blue. each numbered

successstory

01 Feb 2007, 05:11

1

1

1,236

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25% of the company's employees contribute at least 4% of

marcodonzelli

08 Mar 2008, 06:44

7

1,863

09 Mar 2008, 08:18

26 Does the decimal equivalent of P/Q, where P and Q are

redmouse

23 May 2008, 10:54

0

1,194

23 May 2008, 10:54

260 people bought 5 stocks, A, B, C, D, E. A-61people,

getzgetzu

06 May 2006, 03:40

1

1,137

06 May 2006, 03:56

2a| + |6a + b| = 24, what is the value of 4a + b? 1) 4a + b

Titleist

23 Oct 2005, 18:46

0

1,679

23 Oct 2005, 18:46

2E=H 3E=M so H/M = 2E/3E = 2/3 = 2:3

Nsentra

04 Sep 2006, 10:33

2

1,077

04 Sep 2006, 10:46

2nd GMATPrep Test - Question #33

judge_smailes

13 Aug 2006, 22:00

1

1,420

13 Aug 2006, 22:19

2x + y = 12 |y| <= 12 For how many ordered pairs (x , y)

prasun84

10 Nov 2008, 05:20

3

3,310

10 Nov 2008, 06:54

2x + y = 12 |y| <= 12 For how many ordered pairs (x , y)

Sergey_is_cool

01 Sep 2007, 00:27

0

2,760

by: Sergey_is_cool

01 Sep 2007, 00:27

2x^2 - 15x - 3 = 0 I used to remember how to do this in

Futuristic

26 Jun 2006, 23:53

5

3,324

28 Jun 2006, 10:32

2x+y=12 IyI<=12 For how many ordered pairs (x,y) that are

puma

02 Dec 2017, 02:47

0

2,606

02 Dec 2017, 02:47

3 balls are drawn at random from a box containing 5 red, 8

bumpbot

18 Jan 2021, 12:44

0

2,889

18 Jan 2021, 12:44

3 boxes of supplies have an average (arith.mean) weight of 7

marcodonzelli

09 Oct 2019, 05:18

0

1,751

by: marcodonzelli

09 Oct 2019, 05:18

3 boxes of supplies have an average (arithmetic mean) weight

uphillclimb

03 Nov 2006, 23:40

0

1,537

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03 Nov 2006, 23:40

3 classes X,Y,Z take tests.The average score of X is 83,the

bumpbot

23 Mar 2018, 05:49

0

10,171

23 Mar 2018, 05:49

3 digit numbers

mallelac

15 Sep 2004, 08:00

0

2,045

15 Sep 2004, 08:00

3 employers rake the beach each day. working together,

marcodonzelli

30 Dec 2007, 02:50

1

13

1,571

by: GMATBLACKBELT

21 Jan 2008, 10:41

3 GmatPrep1 Math questions

xlick

16 Feb 2009, 15:10

1

1,908

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3 grades of milk are 1 %, 2% and 3% by volume. If x gallons

dinesh8

25 Sep 2019, 05:56

0

1,235

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3 grades of milk are 1%, 2%, and 3% fat by volume. If x

uphillclimb

24 Oct 2006, 21:31

0

1,065

by: uphillclimb

24 Oct 2006, 21:31

3 identical machines can produce 2x in 4 days. How many such

getzgetzu

06 May 2006, 04:28

7

1,928

19 May 2006, 14:35

3 integers have an average of 27. The median of these three

ian7777

13 Jul 2004, 06:56

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1,579

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99Colleges

11 Oct 2016, 23:10

0

3,183

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3 k 2 8 3 m If the arithmetic mean of the list of numbers

bmwhype2

06 Dec 2019, 03:27

0

8,157

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3 kinds of ice cream, chocolate, sweet grass, and strawberry

DLMD

15 Jan 2005, 19:00

0

1,422

15 Jan 2005, 19:00

3 marbles are drawn at random from a bag containing 3 red

bumpbot

19 Jan 2021, 00:59

0

2,729

19 Jan 2021, 00:59

3 Marbles in 3 bags

benchic

03 Dec 2016, 18:21

2

2,799

06 Dec 2016, 19:57

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