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GMAT Data Sufficiency (DS)

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160
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View first unread post 150 Hardest and easiest questions for DS  

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Bunuel

4

24663

28 Dec 2016, 08:49

bumpbot

509
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View first unread post DS Question Directory by Topic and Difficulty  

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148894

07 Mar 2012, 07:58

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Topics

3
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View first unread post How many numbers of this sequence of 342 numbers are odd?  

Tags: Difficulty: 600-700 Level,  Sequences

Asifpirlo

5

1249

09 Jan 2014, 05:38

unceldolan

2
View first unread post Attachment(s) A pagoda “P” is situated on an apex of a hill at a height of  

Tags: Difficulty: 700-Level,  Word Problems

Asifpirlo

9

1347

17 Feb 2014, 04:23

jlgdr

2
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View first unread post Is xyz = 1?  

Tags: Difficulty: Sub-600 Level,  Algebra

Asmn

2

1277

24 Oct 2015, 06:50

bumpbot

3
View first unread post Attachment(s) A certain aquarium contains only goldfish and angelfish. If  

Tags: Difficulty: Sub-600 Level,  Overlapping Sets,  Source: Economist GMAT Tutor

Asmn

1

1053

03 Nov 2013, 01:02

MacFauz

4
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View first unread post The net value of a certain stock increased at a constant  

Tags: Difficulty: Sub-600 Level,  Word Problems

AtifS

4

1645

11 Jun 2014, 00:42

VeritasPrepKarishma

2
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View first unread post X, Y > 0, If X^3 = Y, is Y a fraction? (1) X^2 is a  

Tags: Difficulty: Sub-600 Level,  Poor Quality

AtifS

7

2103

29 Apr 2014, 00:09

Bunuel

3
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View first unread post A turtle is crossing a field, how many meters total did he  

Tags: Difficulty: 600-700 Level,  Number Properties,  Word Problems

AtifS

2

5250

06 Mar 2010, 05:59

AtifS

View first unread post If x and y are positive integers such that the product of x  

Tags: Difficulty: 700-Level

Atrain13gm

8

1621

20 Oct 2010, 18:17

vitamingmat

8
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View first unread post If p, q, r, and s are non-zero numbers, is pr/qs > r/q?  

Tags: Difficulty: 700-Level,  Inequalities

Aurion

4

1898

29 Aug 2014, 04:08

Bunuel

View first unread post Is x^2-y^2 divisible by 8? (1)x and y are even integers. (2) x is divi  

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AustinKL

1

109

28 Jan 2017, 19:42

Vyshak

2
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View first unread post A new electric car company holds a limited-time sales event. On the fi  

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AustinKL

2

118

24 Jan 2017, 01:00

chetan2u

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View first unread post Attachment(s) Are the standard deviations of set A and set B the same? 1) n=6 2) S  

Tags: Difficulty: Sub-600 Level,  Statistics and Sets Problems,  Source: Math Revolution

AustinKL

1

59

23 Feb 2017, 11:33

mikemcgarry

View first unread post If the median and the average (arithmetic mean) of 4 different numbers  

Tags: Difficulty: Sub-600 Level,  Statistics and Sets Problems,  Source: Math Revolution

AustinKL

0

37

21 Feb 2017, 16:48

AustinKL

2
View first unread post A certain company's profit is comprised of the profits of the 3 divisi  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: Math Revolution

AustinKL

1

60

24 Feb 2017, 00:33

uHCWB

View first unread post A certain company sells only cars and trucks, and the average selling  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: Math Revolution

AustinKL

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47

21 Feb 2017, 17:23

AustinKL

1
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View first unread post Set S has 5 numbers such that its average (arithmetic mean) is greater  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: Math Revolution

AustinKL

1

65

23 Feb 2017, 16:30

mikemcgarry

View first unread post What is the volume of a certain rectangular solid? (1)The surface area  

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AustinKL

1

86

10 Feb 2017, 03:52

0akshay0

View first unread post If x any y are positive integers,is x even? (1) x^2+y^2=98 (2) x=y  

Tags: Difficulty: 700-Level,  Arithmetic,  Number Properties,  Source: Kaplan

AustinKL

4

170

29 Jan 2017, 20:21

saswata4s

View first unread post A certain apartment has only 1-room and 2-rooms. If the range of the t  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: Math Revolution

AustinKL

0

45

21 Feb 2017, 18:41

AustinKL

3
View first unread post A bake sale sells only individual cupcakes and boxes of cookies.  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Veritas Prep

AustinKL

1

59

17 Feb 2017, 22:38

Vyshak

1
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View first unread post If the average (arithmetic mean) of 5 integers is 6, what is the stand  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: Math Revolution

AustinKL

1

65

21 Feb 2017, 19:53

Bunuel

2
View first unread post A sequence An is there such that An=(An-1)-(An-2) where n are integers  

Tags: Difficulty: 700-Level,  Sequences,  Source: Math Revolution

AustinKL

1

74

18 Feb 2017, 01:31

vitaliyGMAT

1
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View first unread post If |a+1|=|b-1|, what is the value of a-b? (1) ab>0  

Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Inequalities,  Source: Math Revolution

AustinKL

3

132

18 Feb 2017, 09:00

chetan2u

2
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View first unread post If x≠0, is |x|<1? (1) x^2/|x| > x  

Tags: Difficulty: 700-Level,  Absolute Values/Modules,  Inequalities,  Source: Math Revolution

AustinKL

2

92

18 Feb 2017, 07:06

Bunuel

1
View first unread post Does ts/k>0? (1) ts/(k^2)>0 (2) k>t+s  

Tags: Difficulty: 600-700 Level,  Inequalities,  Source: Other - Please specify

AustinKL

1

63

18 Feb 2017, 10:18

rohit8865

View first unread post Is w less than y?  

Tags: Difficulty: 600-700 Level,  Inequalities,  Source: Manhattan GMAT

AustinKL

2

125

24 Jan 2017, 23:57

AustinKL

1
View first unread post When the product of the digits of the two-digit positive integer x is  

Tags: Difficulty: Sub-600 Level,  Number Properties,  Source: Math Revolution

AustinKL

1

118

02 Feb 2017, 03:54

sb0541

2
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View first unread post Attachment(s) If a^4>b^4, is a>b?  

Tags: Difficulty: 600-700 Level,  Inequalities,  Source: Math Revolution

AustinKL

8

225

19 Feb 2017, 00:23

chetan2u

3
View first unread post In year x, it rained on 40% of all Mondays and 20% of all Tuesdays. On  

Tags: Difficulty: 700-Level,  Percent and Interest Problems,  Source: Manhattan GMAT

AustinKL

2

151

27 Jan 2017, 07:26

AustinKL

View first unread post If a, b, c is an integer, what is value of a+b+c?  

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AustinKL

3

144

15 Feb 2017, 10:23

Alexey1989x

1
View first unread post For consecutive integers x and y , where x>y , what is the value of  

Tags: Difficulty: 700-Level,  Algebra,  Source: Veritas Prep

AustinKL

3

143

07 Feb 2017, 16:29

AustinKL

17
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View first unread post What is the value of prime number p ? (1) p+8 is prime.  

Tags: Difficulty: 700-Level,  Number Properties,  Source: Veritas Prep

AustinKL

8

302

09 Feb 2017, 13:05

AnthonyRitz

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View first unread post A market research company surveyed users of the toothpaste industry's  

Tags: Difficulty: 600-700 Level,  Overlapping Sets,  Source: Veritas Prep

AustinKL

1

103

11 Feb 2017, 23:00

chetan2u

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View first unread post Assume that all positive integers are colored either red or blue. If a  

Tags: Difficulty: 600-700 Level,  Algebra,  Arithmetic,  Inequalities,  Source: Veritas Prep

AustinKL

1

71

23 Feb 2017, 11:15

mikemcgarry

View first unread post What is the sum a+b+c ? (1) x3−x=(x+a)(x+b)(x+c) for all values x (  

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AustinKL

0

68

11 Feb 2017, 21:20

AustinKL

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View first unread post Is x<y<z? 1)|x-1|<y<z+1 2)|x+1|<y<z-1  

Tags: Difficulty: 700-Level,  Inequalities,  Source: Math Revolution

AustinKL

1

83

20 Feb 2017, 02:00

chetan2u

3
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View first unread post Does 5^x=7^y?  

Tags: Difficulty: 700-Level,  Number Properties,  Source: Veritas Prep

AustinKL

1

127

08 Feb 2017, 03:54

chetan2u

6
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View first unread post Anthony can purchase bagels at $1.99 for a specialty bagel and $15.99  

Tags: Difficulty: 600-700 Level,  Word Problems,  Source: Veritas Prep

AustinKL

5

156

16 Feb 2017, 10:33

AnthonyRitz

View first unread post At a farmers market, a florist sells only roses, and customers can buy  

Tags: Difficulty: 600-700 Level,  Algebra,  Word Problems,  Source: Veritas Prep

AustinKL

2

74

21 Feb 2017, 22:00

Tango3

View first unread post During an experiment, Emily collected 11 different temperature reading  

Tags: Difficulty: 600-700 Level,  Statistics and Sets Problems,  Source: Other - Please specify

AustinKL

1

65

12 Feb 2017, 18:27

adityapareshshah

View first unread post The function of the relationship between the cost (c) and the revenue  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Source: Math Revolution

AustinKL

1

38

23 Feb 2017, 21:56

0akshay0

View first unread post 30%~35% of the employees in a certain company have cell phones. Do at  

Tags: Difficulty: 600-700 Level,  Fractions/Ratios/Decimals,  Percent and Interest Problems,  Source: Math Revolution

AustinKL

0

39

23 Feb 2017, 16:51

AustinKL

View first unread post Tom is travelling from city A to city B to city C. From city A to city  

Tags: Difficulty: 600-700 Level,  Distance/Rate Problems,  Source: Math Revolution

AustinKL

1

36

23 Feb 2017, 18:21

rohit8865

View first unread post Is a+b>c? 1) a, b, and c represent three different lengths of the s  

Tags: Difficulty: 600-700 Level,  Geometry,  Source: Math Revolution

AustinKL

1

43

24 Feb 2017, 07:07

rohit8865

View first unread post If you are buying a product by rounding up to a $1 digit, is the sum o  

Tags: Difficulty: 700-Level,  Algebra,  Arithmetic,  Percent and Interest Problems,  Source: Math Revolution

AustinKL

0

40

24 Feb 2017, 00:08

AustinKL

1
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View first unread post John and Terry are standing in a queue with Terry in front of John. Ho  

Tags: Difficulty: Sub-600 Level,  Word Problems,  Source: Math Revolution

AustinKL

1

47

24 Feb 2017, 01:07

Bunuel

View first unread post Are x and y both negative numbers? (1) 3x - 3y = 1 (2) x/y  

Tags: Difficulty: 600-700 Level,  Inequalities,  Source: Other - Please specify

Avaneesh

7

3427

01 Oct 2011, 08:04

shashankp27

3
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View first unread post If the average(arithmetic mean) of four numbers is 10 ,how many of the  

Tags: Difficulty: 700-Level,  Statistics and Sets Problems,  Source: Kaplan

AverageGuy123

2

1686

23 Feb 2016, 18:16

mvictor

20
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View first unread post Is a > b^2 ?  

Tags: Difficulty: 700-Level,  Exponents/Powers,  Roots

Awli

10

1926

24 Jul 2016, 07:09

Bunuel

11
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View first unread post Attachment(s) In the figure above, is RS || PQ?  

Tags: Difficulty: 700-Level,  Geometry,  Source: Other - Please specify

Awli

6

1211

10 Sep 2016, 23:43

rohit8865

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