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# Problem Solving (PS)

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26 Oct 2019, 19:33

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02 Dec 2019, 21:57

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ER
 100 Hardest and easiest questions for PS as of November 2019
Bunuel

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104410

29 Jul 2019, 07:22

1937
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 GMAT PS Question Directory by Topic & Difficulty
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755890

22 Feb 2012, 11:27

## GMAT Club Member Recommended Prep Products:

Topics

4
 How many reversed two digit pairs are there such that three xy is x+y
gracie

1

245

16 Jan 2019, 22:22

6
 If a and b are integers of opposite signs such that (a + 3)^2 : b^2
nick1816

1

259

28 May 2019, 23:23

7
 For all values of x, y, and z, x ◊ y ◊ z = x2(y − 1)(z + 2).
CAMANISHPARMAR

1

626

28 May 2018, 11:08

5
ER
 If the function f is defined by f(p) = p^2 + 1/p^2 for all non-zero nu
Bunuel

1

460

02 Oct 2018, 00:21

3
ER
 The following pair of equations have a unique solution for x, which is
CaptainLevi

1

156

25 Nov 2019, 19:45

8
ER
 What is the Value of (1 + 3^(1/2))(2 + 3^(1/2))^(1/2)
rheabiswal

1

499

02 Oct 2018, 03:49

2
ER
 In the sequence above, the first 3 terms repeat without end. What is
Bunuel

1

689

11 Dec 2018, 03:48

4
ER
 If a/b
mangamma

1

322

25 Apr 2019, 22:42

4
 If 0
rohan2345

1

192

21 May 2019, 03:08

9
ER
 The function f(n) is defined as the product of all integers from 1 to
kiran120680

1

405

31 May 2019, 09:06

9
 If x^2 - 7x + |k| = 0 has real roots. How many integer values can 'k'
Dillesh4096

1

425

07 Aug 2019, 08:11

1
ER
 a is the product of 3 and the square root of 2, b is the product of 2
Bunuel

1

486

29 Jun 2018, 03:05

ER
 Let U = 2*2004^2005, V = 2004^2005, W = 2003*2004^2004, X = 2*2004^200
Bunuel

1

297

21 Mar 2019, 09:04

2
ER
 The grass in a field grows in a constant rate. If 240 sheep were to gr
nick1816

1

278

21 May 2019, 19:07

5
ER
 Novak invested \$5000 in scheme A for 4 years, which gave a fixed rate
mangamma

1

376

23 Jul 2019, 04:57

1
ER
 Each of the following linear equations defines y as a function of x
Raj30

1

488

22 May 2019, 09:27

13
 Given that g(h(x)) = 2x^2 + 3x, and h(g(x)) = x^2 + 4x - 4 for all the
nick1816

1

450

10 Aug 2019, 23:04

 The number of polynomials p(x) with integer coefficients such that the
nick1816

1

201

29 Nov 2019, 06:55

3
ER
 If P=2^(x^2+10x+72) and Q=2^(x^2+16x+54), where x is a positive
souvonik2k

1

398

14 Mar 2018, 09:58

5
ER
 If x, y, and z are positive numbers satisfying x + 1/y = 4, y + 1/z =
Bunuel

1

317

15 Mar 2019, 01:45

1
ER
 The integer v is greater than 1. If v is the square of an integer, whi
Bunuel

1

278

23 May 2019, 02:15

7
 4≤p≤9, -0.25≤q≤0.36, -0.49≤r≤-0.01 and r/s^2 = p^2/q, where p, q, r an
nick1816

1

307

04 Jul 2019, 03:31

5
ER
 How many positive integral values of P are possible, if f(x)= x^2-8x+
nick1816

1

256

29 Nov 2019, 00:29

14
 How many real solutions exist for the equation x2 – 11|x| - 60 = 0? 3
cfc198

1

597

30 Dec 2018, 13:33

3
 Let abcd be a general four-digit number and all the digits are non-zer
UdayPratapSingh99

1

230

05 Apr 2019, 02:51

6
ER
 The sequence a1, a2, a3, ..., an,…...is such that an= 1/n^2−1/(n−1)^2
mangamma

1

331

02 May 2019, 00:27

1
 If x=3+3^{1/3}+3^{5/3}, then find the value of x^3-9x^2.
nick1816

1

201

13 May 2019, 09:10

1
 A salesman’s monthly wage is calculated as follows: He gets paid \$80 f
Kinshook

1

167

16 Nov 2019, 10:38

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

1

288

19 Mar 2019, 11:12

6
 If a^x = b^y = ab, then find the value of y
nick1816

1

294

22 Apr 2019, 04:18

2
 A man purchases five tables and seven chairs for \$5850.
Hovkial

1

215

29 Sep 2019, 10:46

1
 (H^2 - 2H)^(1/2) = T(1 - R^2)^(1/2)/(K(1 - g^k)), then 3H =
KSBGC

1

373

11 Mar 2019, 12:14

13
ER
 For how many integers n between 1 and 50, inclusive, is (n^2 - 1)!/(n!
Bunuel

1

616

15 May 2019, 22:12

2
 The cost of 40 pens, 44 pencils and 50 erasers is \$392. The cost of 4
nick1816

1

255

21 Jun 2019, 07:45

5
ER
 Erina has a bag that starts with 50 marbles in it: 10 green marbles
Xin Cho

1

319

13 Sep 2019, 14:13

4
 If a^1/2 > b > c^2, which of the following could be true?

1

514

19 Oct 2018, 13:10

9
ER
 If x and y are integers and 2*x^(1/2) + y^2 < 5, then x*y can take how
Bunuel

1

262

30 Sep 2019, 06:47

ER
 If T = 1/(1*2) + 1/(2*3) + 1/(3*4) + 1/(4*5) + ......... 1/[n(n+1)]
Bunuel

1

326

01 Nov 2019, 06:58

3
 Both a and b are perfect squares, and the product a ×b is divisible by
nivikumar93

1

353

24 Apr 2019, 20:42

4
 A tire on a car rotates at 500 RPM (revolutions per minute) when the c

1

352

27 Jul 2019, 05:45

2
 Is x and y are positive integers, what is the value of x?
Anasayaydah

1

197

01 Nov 2019, 22:54

ER
 Rank these three quantities from least to greatest.
Bunuel

1

480

23 Oct 2018, 04:37

2
ER
 For which of the following values of k does the equation (x - 1)(x - 2
Bunuel

1

263

19 Mar 2019, 00:58

4
ER
 At time t = 0, a projectile was fired upward from an initial height of
Bunuel

1

290

17 Apr 2019, 01:57

4
ER
 Claudia has 12 coins, each of which is a 5-cent coin or a 10-cent coin
Bunuel

1

243

26 Apr 2019, 22:17

2
ER
 a, b, c, and d are all positive integers. If ab/(c + d) = 3.7 which of
Bunuel

1

475

28 May 2019, 01:35

ER
 Which of the following are greater than 1?
Bunuel

1

264

03 Jun 2019, 00:56

6
ER
 Find the minimum value of x^2 + 7x + 14. A. 14 B. -7 C. 0 D. 7 E. 1.75
Dillesh4096

1

324

12 Jul 2019, 01:06

8
 Find the number of non-negative integer solutions of
TheNightKing

1

239

30 Sep 2019, 22:56

4
ER
 If the sum of the reciprocals of the roots of the equation ax^2+bx+c=0
CaptainLevi

1

185

28 Nov 2019, 05:56

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