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View first unread post EMPOWERgmat PS Forum Expert - Ask Me Anything about PS and Math  

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EMPOWERgmatRichC

26

4548

26 Oct 2019, 19:33

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View first unread post Attachment(s) Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math  

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VeritasKarishma

187

8717

08 Nov 2019, 05:09

View the latest post Lionila

Announcements

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View first unread post 100 Hardest and easiest questions for PS as of October 2019  

Tags: Difficulty: 700-Level

Bunuel

12

102547

29 Jul 2019, 07:22

View the latest post Shrinidhi

1924
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View first unread post Attachment(s) GMAT PS Question Directory by Topic & Difficulty  

Tags: Difficulty: 600-700 Level,  Difficulty: 700-Level,  Difficulty: Sub-600 Level,  Combinations,  Mixture Problems,  Work/Rate Problems,  Source: GMAT Club Tests,  Source: GMAT Prep,  Source: Official Guide

bb

0

747104

22 Feb 2012, 11:27

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Topics

18
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View first unread post Express the value 0.4232323….. as a quotient of two numbers  

Tags: Difficulty: 700-Level,  Arithmetic,  Sequences,  Source: Other - Please specify

4d

2

604

12 Feb 2019, 21:36

View the latest post NinetyFour

11
View first unread post If P(x) be a polynomial satisfying the identity $P(x^{2}) +2x^{2} +10x  

Tags: Difficulty: 700-Level,  Algebra,  Functions and Custom Characters,  Source: Other - Please specify

4d

2

625

26 Feb 2019, 04:17

View the latest post anjali1117

5
View first unread post Let a1, a2, ... , a52 be positive integers such that a1 < a2 < ...  

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

AbdulMalikVT

2

222

23 Aug 2019, 23:10

View the latest post Kinshook

11
View first unread post If the roots of the equation (x + 1) (x + 9) + 8 = 0  

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

AbdulMalikVT

5

319

23 Aug 2019, 21:22

View the latest post Kinshook

63
ER
View first unread post Attachment(s) The graph shows the number of computers assembled during each of 6 con  

Tags: Difficulty: 700-Level,  Arithmetic,  Percents and Interest Problems,  Word Problems,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

AbdurRakib

10

11178

29 Jun 2019, 21:45

View the latest post ChiraKaimook

57
ER
View first unread post Attachment(s) The table shows the amount budgeted and the amount spent for each of  

Tags: Difficulty: 700-Level,  Arithmetic,  Percents and Interest Problems,  Word Problems,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

AbdurRakib

10

10414

23 Sep 2019, 19:07

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16
ER
View first unread post A farmer ordered x tons of feed for his cattle. The feed supply compan  

Tags: Difficulty: 700-Level,  Algebra,  Source: Kaplan Advanced

AbdurRakib

2

1366

26 Dec 2018, 18:35

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33
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View first unread post What is the value of ((a + b^(1/2))(1/2) + (a - b^(1/2))(1/2))^2, when  

Tags: Difficulty: 700-Level,  Algebra,  Exponents/Powers,  Source: Veritas Prep

AbdurRakib

11

6684

24 Apr 2019, 00:23

View the latest post YB101

442
ER
View first unread post Which of the following fractions is closest to 1/2?  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Arithmetic,  Fractions/Ratios/Decimals,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

AbdurRakib

26

38513

09 Nov 2019, 03:00

View the latest post Harsht7

14
ER
View first unread post If x and y are distinct prime numbers, which of the following could be  

Tags: Difficulty: 700-Level,  Arithmetic,  Number Properties,  Source: Princeton Review

AbdurRakib

5

2311

07 Apr 2019, 11:53

View the latest post bumpbot

52
View first unread post For how many different pairs of positive integers (a, b) can  

Tags: Difficulty: 700-Level,  Arithmetic,  Source: Manhattan GMAT

AccipiterQ

6

5688

28 Mar 2019, 10:50

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43
ER
View first unread post If ¡n! = (n!)^2, then ¡17! - ¡16! =  

Tags: Difficulty: 700-Level,  Algebra,  Source: Manhattan GMAT

AccipiterQ

9

14335

13 Nov 2018, 10:29

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4
ER
View first unread post If a,b and c are in arithmetic progression, then (a+b)  

Tags: Difficulty: 700-Level,  Arithmetic

AdityaHongunti

7

784

25 Dec 2018, 08:47

View the latest post Bunuel

19
View first unread post Two solutions are made by adding Chemical Z to water. Solution A is 40  

Tags: Difficulty: 700-Level,  Algebra,  Word Problems,  Source: Princeton Review

AkshdeepS

9

1324

27 Aug 2019, 10:03

View the latest post AkshdeepS

19
ER
View first unread post A 1 meter tree limb was divided and labeled by fifths and sixths. The  

Tags: Difficulty: 700-Level,  Arithmetic,  Word Problems,  Source: Princeton Review

AkshdeepS

2

512

15 Nov 2018, 03:01

View the latest post Archit3110

18
ER
View first unread post Attachment(s) The customs department has 3.2% of its inspected items opened...  

Tags: Difficulty: 700-Level,  Arithmetic,  Percents and Interest Problems,  Source: Other - Please specify

Alessiod

6

1443

05 Sep 2019, 22:15

View the latest post kdgupta

49
ER
View first unread post What is the sum of all possible solutions to |x - 3|^2 + |x - 3| = 20  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Source: Other - Please specify

Alex75PAris

7

2614

09 Feb 2019, 00:50

View the latest post Bunuel

45
ER
View first unread post If a, b are integers, and (a-b)^2 + 8b^2=108, what is the number of th  

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

Amby02

6

3192

05 Jun 2019, 05:26

View the latest post RJ7X0DefiningMyX

1
View first unread post Is x and y are positive integers, what is the value of x?  

Tags: Difficulty: 700-Level,  Algebra,  Source: Manhattan GMAT

Anasayaydah

1

153

01 Nov 2019, 22:54

View the latest post Anasayaydah

16
View first unread post The sum of a certain number and its reciprocal is equal to 2.9  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Source: Other - Please specify

AnisMURR

9

2434

06 Feb 2019, 12:13

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54
ER
View first unread post Attachment(s) If p^2 – 13p + 40 = q, and p is a positive integer between 1  

Tags: Difficulty: 700-Level,  Algebra,  Probability,  Source: Manhattan GMAT

AnkitK

13

6716

09 Sep 2019, 03:46

View the latest post GMATGuruNY

9
View first unread post Point P lies on the equation y= x^2 - 1 and Point Q lies on the equati  

Tags: Difficulty: 700-Level,  Algebra,  Coordinate Geometry,  Graphs and Illustrations,  Source: Princeton Review

Arun1994

4

960

07 Jan 2019, 09:11

View the latest post ManjariMishra

9
ER
View first unread post If ab = 20 –a^2*b^2, where both a and b are negative, then a^2 =  

Tags: Difficulty: 700-Level,  Algebra,  Source: Kaplan

Arvind42

5

835

26 Aug 2019, 10:13

View the latest post Kinshook

140
ER
View first unread post An escalator moves downward from street level to a subway platform at  

Tags: Difficulty: 700-Level,  Arithmetic,  Distance/Rate Problems,  Source: Other - Please specify

Asad

11

3865

29 Jul 2019, 10:58

View the latest post bumpbot

5
ER
View first unread post In a joint family there are 3 couples. The ages (all in years) of the  

Tags: Difficulty: 700-Level,  Algebra

Ashishmathew01081987

3

1625

01 Jan 2017, 14:10

View the latest post bumpbot

11
ER
View first unread post An engineer designed a ball so that when it was dropped, it  

Tags: Difficulty: 700-Level,  Arithmetic

Asifpirlo

4

4191

12 Sep 2018, 06:58

View the latest post Abhishek009

30
View first unread post Attachment(s) The incomplete table above shows a distribution of scores fo  

Tags: Difficulty: 700-Level,  Arithmetic,  Statistics and Sets Problems

Asifpirlo

13

2604

30 Dec 2018, 10:00

View the latest post bumpbot

25
View first unread post Attachment(s) If Δ and ∅ represent single digits in the correctly worked c  

Tags: Difficulty: 700-Level,  Arithmetic,  Functions and Custom Characters

Asifpirlo

10

4798

16 Aug 2019, 06:39

View the latest post bumpbot

4
ER
View first unread post A company has 540 employees, 40% of whom are employed part time. If it  

Tags: Difficulty: 700-Level,  Arithmetic,  Word Problems,  Source: Kaplan

Atrain13gm

10

5775

21 Dec 2018, 16:12

View the latest post sashiim20

356
ER
View first unread post If x, y, and k are positive numbers such that x/(x + y)*10 + y/(x + y)  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Must or Could be True Questions,  Source: OG 12

BANON

33

32522

09 Sep 2019, 10:57

View the latest post Bunuel

54
ER
View first unread post Attachment(s) A camera lens filter kit containing 5 filters sells for $57  

Tags: Difficulty: 700-Level,  Arithmetic,  Percents and Interest Problems,  Source: GMAT Prep

BabySmurf

14

7270

14 Sep 2019, 05:31

View the latest post bumpbot

49
ER
View first unread post If a = 28/31, b=29/30 and c=31/33. Which of the following is true?  

Tags: Difficulty: 700-Level,  Arithmetic

BabySmurf

16

5159

08 Sep 2019, 04:14

View the latest post Kinshook

51
ER
View first unread post The sum of the first k positive integers is equal to k(k+1)/2. What is  

Tags: Difficulty: 700-Level,  Algebra,  Source: GMAT Paper Tests

Baten80

13

11760

16 Aug 2019, 04:45

View the latest post Kinshook

360
ER
View first unread post If x and y are positive numbers such that x + y = 1, which of the  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Algebra,  Inequalities,  Number Properties,  Source: OG 2016,  Source: OG 2017,  Source: OG 2018,  Source: OG 2019,  Source: OG 2020,  Source: Official Guide

BrainLab

29

27286

02 Jun 2019, 03:04

View the latest post DealMakerOne

4
ER
View first unread post If x and y are integers each with absolute value less than 5 and 7x -  

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

Bunuel

6

1166

05 Mar 2018, 19:13

View the latest post hoang221

50
ER
View first unread post Attachment(s) If (a+b)^x=a^x + y(a^(x-1)*b^(x-4)) + z(a^(x-2)*b^(x-3)) + z(a^(x-3)*^  

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

Bunuel

8

3468

17 Jan 2019, 19:24

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23
ER
View first unread post If y = x^2 + d x + 9 does not cut the x-axis, then which of the follow  

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

Bunuel

9

1965

14 Mar 2019, 11:36

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8
ER
View first unread post Which of the following is closest to the value of (√21 - √7)^2?  

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

Bunuel

6

1727

10 Mar 2019, 14:14

View the latest post energetics

47
ER
View first unread post What is the units digit of 66^6 - 5^55?  

Tags: Difficulty: 700-Level,  Arithmetic,  Exponents/Powers,  Source: GMAT Club Tests

Bunuel

16

3043

08 Oct 2019, 00:58

View the latest post Kinshook

34
ER
View first unread post If x^1+x^(−1)=5, what is the value of x^4+x^(−4)?  

Tags: Difficulty: 700-Level,  Algebra,  Exponents/Powers,  Source: Veritas Prep

Bunuel

8

3571

20 Sep 2019, 07:00

View the latest post exc4libur

16
ER
View first unread post Veritas Prep 10 Year Anniversary Promo Question #9  

Go to page: 1, 2 Tags: Difficulty: 700-Level,  Arithmetic,  Divisibility/Multiples/Factors,  Source: Veritas Prep

Bunuel

22

4723

26 Oct 2017, 08:57

View the latest post Designated Target

3
ER
View first unread post For any 3 given numbers, which of the following is always equivalent  

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

Bunuel

6

2145

27 Oct 2018, 13:41

View the latest post HAPPYatHARVARD

19
ER
View first unread post What is 3^8 + 3^7 - 3^6 - 3^5?  

Tags: Difficulty: 700-Level,  Algebra,  Exponents/Powers,  Source: Veritas Prep

Bunuel

6

2162

24 Aug 2018, 10:55

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4
ER
View first unread post Attachment(s) Let d > c > b > a. If c is twice as far from a as it is from d, and b  

Tags: Difficulty: 700-Level,  Algebra,  Inequalities,  Source: 800 Score

Bunuel

1

142

11 Nov 2019, 06:18

View the latest post TestPrepUnlimited

10
ER
View first unread post If a and b are positive numbers such that a + b =2, which of the foll  

Tags: Difficulty: 700-Level,  Algebra,  Must or Could be True Questions,  Source: Other - Please specify

Bunuel

2

632

29 Mar 2018, 17:37

View the latest post ScottTargetTestPrep

8
ER
View first unread post The length, width, and height of a rectangular box are in the ratio of  

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

Bunuel

2

786

30 Mar 2018, 10:55

View the latest post ScottTargetTestPrep

14
ER
View first unread post A googol is the number that is written as 1 followed by 100 zeros. if  

Tags: Difficulty: 700-Level,  Arithmetic,  Number Properties,  Source: Other - Please specify

Bunuel

6

908

22 Aug 2019, 08:16

View the latest post ShivamoggaGaganhs

3
ER
View first unread post Let f be a function for which f(x/3) = x^2 + x + 1. Find the sum of al  

Tags: Difficulty: 700-Level,  Algebra,  Functions and Custom Characters,  Source: Other - Please specify

Bunuel

1

269

19 Mar 2019, 11:12

View the latest post Chethan92

3
ER
View first unread post 1.001 + 0.999996/1.002 =  

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

Bunuel

2

208

22 Aug 2019, 01:32

View the latest post chondro48

6
ER
View first unread post If a > 0 and b < 0, which of the following statements are true about  

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

Bunuel

2

272

27 May 2019, 03:51

View the latest post Dillesh4096

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