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

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EMPOWERgmatRichC

22

3902

31 Aug 2019, 14:48

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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

174

7625

21 Sep 2019, 10:07

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Announcements

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

Tags: Difficulty: 700-Level

Bunuel

12

99295

29 Jul 2019, 07:22

View the latest post Shrinidhi

1872
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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

730777

22 Feb 2012, 11:27

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Topics

29
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View first unread post If 3<x<6<y<10, then what is the greatest possible positive integer dif  

Tags: Difficulty: 700-Level,  Arithmetic,  Min/Max Problems,  Source: Economist GMAT Tutor

reto

6

9509

02 Jun 2019, 13:56

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28
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View first unread post Five friends Alastair, Bell, Cook, Darren and Eoin appeared in an apti  

Tags: Difficulty: 700-Level,  Arithmetic,  Fractions/Ratios/Decimals,  Word Problems,  Source: e-GMAT

EgmatQuantExpert

18

2718

22 Aug 2018, 05:22

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28
ER
View first unread post Which of the following represents the greatest value?  

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

jamifahad

7

3647

26 Mar 2019, 04:07

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28
View first unread post if (10-x)/3 <-2x, which of the following must be true?  

Tags: Difficulty: 700-Level,  Absolute Values/Modulus,  Algebra,  Inequalities,  Source: Princeton Review

chakrads

16

985

13 May 2019, 12:12

View the latest post HAPPYatHARVARD

28
View first unread post If |x|-|y|=13, then which of the following can't be the value of x-y?  

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

nick1816

8

1021

27 Jul 2019, 01:45

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28
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View first unread post For all real numbers a and b, where a ⋅ b =/ 0, let a◊b = ab  

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

gettinit

7

4241

15 Sep 2019, 05:13

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28
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View first unread post Which of the following is the closest value of x such that  

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

MathRevolution

5

1982

10 Mar 2019, 10:55

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28
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View first unread post If the sequence x_1, x_2, x_3, …, x_n, ... is such that x_1  

Tags: Difficulty: 700-Level,  Algebra,  Sequences

eresh

7

5307

23 Jun 2018, 05:11

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28
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View first unread post For which of the following functions does f(−x)=−f(x) for all real num  

Tags: Difficulty: 700-Level,  Algebra,  Functions and Custom Characters,  Source: Veritas Prep,  Source: e-GMAT

Bunuel

6

2739

22 Aug 2018, 23:11

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28
ER
View first unread post If x-2=x+2 , x=?  

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

MathRevolution

9

1411

22 Dec 2018, 02:18

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28
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View first unread post Attachment(s) What is the value of (\sqrt{7+\sqrt29}-\sqrt{7-[  

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

samark

9

8951

20 Apr 2018, 13:34

View the latest post Funsho84

27
ER
View first unread post Let a, b, c, d, and e be distinct integers such that (6 − a)(6 − b)(6  

Tags: Difficulty: 700-Level,  Algebra

fozzzy

6

9241

24 Dec 2018, 04:14

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27
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View first unread post Attachment(s) If the sum of the first n positive integers is x, then which  

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

goodyear2013

13

4815

12 Mar 2019, 02:45

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27
View first unread post How many ordered pairs of real numbers (x,y) satisfy the following sys  

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

Noshad

10

1049

11 Apr 2019, 00:32

View the latest post MeBossBaby

27
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View first unread post In a particular aircraft, there must be 9 seats across, and  

Tags: Difficulty: 700-Level,  Arithmetic,  Min/Max Problems,  Word Problems

calreg11

8

4585

13 May 2018, 03:59

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27
View first unread post What is the product of all positive odd integers less than 10000?  

Tags: Difficulty: 700-Level,  Arithmetic

fozzzy

4

7778

18 Dec 2018, 21:43

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27
ER
View first unread post The ratio (p + q):(r + p):(q + r) = 3:4:10. (p + q + r) = 34. What is  

Tags: Difficulty: 700-Level,  Arithmetic,  Fractions/Ratios/Decimals,  Source: Other - Please specify

desaichinmay22

6

5556

01 Jun 2019, 11:33

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27
ER
View first unread post 1+1/2+1/3+.....+1/16 is  

Tags: Difficulty: 700-Level,  Arithmetic,  Fractions/Ratios/Decimals,  Source: Manhattan GMAT

bagdbmba

14

4871

22 Apr 2018, 12:44

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27
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View first unread post A palindrome is a number that reads the same backward or forward, for  

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

gracie

8

2037

14 Jun 2019, 00:11

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27
ER
View first unread post M. Poirot and Miss Marple walk into a turned-off escalator to realize  

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

fskilnik

6

954

31 Aug 2018, 09:09

View the latest post fskilnik

27
ER
View first unread post If one root of x^2+px+12=0 is 4, and the equation x^2+px+q=0  

Tags: Difficulty: 700-Level,  Algebra

feruz77

12

21389

29 Jun 2018, 06:05

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27
View first unread post Operation F means “take the square root,” operation G means  

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

emmak

11

2949

15 Oct 2018, 06:53

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27
ER
View first unread post What are the values of x and y that satisfy both the equations?  

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

GMATnavigator

4

4553

25 Nov 2018, 09:31

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27
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View first unread post If 0.01 < a < 0.02, and 100 < b < 200, which of the following can be  

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

ekniv

5

1522

19 Nov 2018, 06:56

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27
ER
View first unread post A merchant paid $300 for a shipment of x identical calculators. The  

Tags: Difficulty: 700-Level,  Arithmetic,  Word Problems,  Source: GMAT Paper Tests,  Source: Official Guide

boomtangboy

9

9590

21 Sep 2019, 06:09

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27
ER
View first unread post Question of the Week - 27 (q is a three-digit number, in which ......)  

Tags: Difficulty: 700-Level,  Algebra,  Divisibility/Multiples/Factors,  Number Properties,  Source: e-GMAT

EgmatQuantExpert

7

908

19 Dec 2018, 07:44

View the latest post EgmatQuantExpert

27
ER
View first unread post To celebrate a colleague's retirement, the T coworkers  

Tags: Difficulty: 700-Level,  Algebra,  Word Problems,  Source: GMAT Pill,  Source: GMAT Prep

vakuts

14

9424

28 Dec 2018, 09:27

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27
ER
View first unread post List M consists of 50 decimals, each of which has a value between  

Tags: Difficulty: 700-Level,  Algebra,  Arithmetic,  Word Problems,  Source: Manhattan GMAT

souvik101990

6

2073

29 Sep 2018, 07:46

View the latest post GMATPrepNow

27
ER
View first unread post If S and T are non-zero numbers and  

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

SirGMAT

27

5569

27 May 2019, 04:31

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27
ER
View first unread post Attachment(s) If the sum of the first 30 positive odd inte  

Tags: Difficulty: 700-Level,  Algebra,  Sequences,  Source: e-GMAT

EgmatQuantExpert

11

3219

15 Aug 2019, 09:15

View the latest post ChuHoaiNam

26
ER
View first unread post If x + x^2 + x^3 = 27, then the average (arithmetic mean) of x + x^2 +  

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

Bunuel

8

2897

22 Aug 2018, 06:35

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26
View first unread post Of the following, which best approximates:  

Tags: Difficulty: 700-Level,  Arithmetic,  Source: OG 1988,  Source: Official Guide [Pre-2000]

HKD1710

4

1221

03 Feb 2019, 09:27

View the latest post KanishkM

26
ER
View first unread post On the 25th of November in 1990, John was trying to make a new plan fo  

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

sairam595

5

2092

06 Mar 2019, 03:56

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26
View first unread post 20 students took the test. The arithmetic mean of the scores  

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

guerrero25

9

3077

05 Feb 2019, 03:52

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26
ER
View first unread post If 4^a∗2^b=16^4, what is the minimum possible value of (32–ab)?  

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

Bunuel

13

3255

23 Sep 2018, 03:32

View the latest post KARISHMA315

26
ER
View first unread post If 3f(x) + 2f(-x) = 5x − 10, what is the value of f(1)?  

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

Bunuel

6

1523

15 Oct 2018, 07:16

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26
ER
View first unread post For positive integers a, b, and c, a < b < c < 100. Which of the follo  

Tags: Difficulty: 700-Level,  Arithmetic,  Min/Max Problems,  Source: Veritas Prep

Bunuel

13

2142

13 Apr 2019, 07:52

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26
ER
View first unread post Let N = 60! + 55! + 50! The unit digit of N and a number of digits to  

Tags: Difficulty: 700-Level,  Arithmetic,  Combinations,  Source: Magoosh

Gnpth

8

3807

24 Jan 2019, 08:02

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26
ER
View first unread post Which value(s) of x satisfies the equation above?  

Tags: Difficulty: 700-Level,  Algebra,  Roots,  Source: GMAT Club Tests,  Source: Magoosh

mikemcgarry

10

4699

25 Nov 2018, 09:24

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26
ER
View first unread post If three positive real numbers x, y, z satisfy y – x = z – y and x y z  

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

excelingmat

9

5847

15 Jul 2019, 22:49

View the latest post kapil1

26
ER
View first unread post If 3a – 2b – 2c = 32 and 3a - 2b + 2c = 4, what is the value of a + b  

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

Bunuel

11

1269

02 Oct 2017, 12:55

View the latest post rulingbear

25
ER
View first unread post A businessman earns $27800 in December, thus decreasing his  

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

PareshGmat

6

2227

11 Jul 2019, 11:49

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25
ER
View first unread post The ratio, by volume, of acid to base to water in a certain solution  

Tags: Difficulty: 700-Level,  Arithmetic,  Fractions/Ratios/Decimals,  Word Problems,  Source: Other - Please specify

Prashanth3007

5

1797

30 Jun 2018, 03:02

View the latest post GMATGuruNY

25
ER
View first unread post What is the 18th digit to the right of the decimal point  

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

Pansi

5

6393

19 Oct 2018, 13:24

View the latest post rever08

25
ER
View first unread post The product (1 - {1/2}^2)(1 - {1/3}^2)...(1 - {1/9}^2)(1 - {  

Tags: Difficulty: 700-Level,  Arithmetic

fozzzy

4

2506

22 Oct 2017, 08:54

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25
ER
View first unread post If P and Q are positive integers, and n is the decimal  

Tags: Difficulty: 700-Level,  Arithmetic,  Fractions/Ratios/Decimals

Jp27

12

5830

06 Sep 2019, 05:16

View the latest post thaya

25
ER
View first unread post Allegra and Graham edited a 72-page manuscript together, each of them  

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

rekhabishop

6

1607

03 Oct 2018, 15:08

View the latest post Jasveensingh

25
View first unread post Attachment(s) A railroad worker finds himself trapped inside a tunnel at a point  

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

cptholt

3

1651

21 Feb 2019, 17:29

View the latest post sahibr

25
ER
View first unread post Leo, Shelly and Raj can complete a certain job in 10, 12, and 15 days  

Tags: Difficulty: 700-Level,  Arithmetic,  Word Problems,  Work/Rate Problems,  Source: e-GMAT

EgmatQuantExpert

11

1911

29 Aug 2019, 22:43

View the latest post pratik2018

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

4725

16 Aug 2019, 06:39

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