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# Problem Solving (PS)

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 EMPOWERgmat PS Forum Expert - Ask Me Anything about PS and Math   Go to page: 1, 2 Tags: Source: EMPOWERgmat
EMPOWERgmatRichC

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4821

26 Oct 2019, 19:33

 Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math   Go to page: 1 ... 8, 9, 10 Tags: Source: Veritas Prep

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9155

02 Dec 2019, 21:57

Announcements

522
ER
 100 Hardest and easiest questions for PS as of November 2019
Bunuel

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104384

29 Jul 2019, 07:22

1937
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 GMAT PS Question Directory by Topic & Difficulty
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755718

22 Feb 2012, 11:27

## GMAT Club Member Recommended Prep Products:

Topics

37
ER
 What is the value of ((a + b^(1/2))(1/2) + (a - b^(1/2))(1/2))^2, when
AbdurRakib

11

6872

24 Apr 2019, 00:23

43
ER
 If |5x-5|>x-1, which of the following must be true?
reto

11

4741

02 Aug 2019, 15:51

38
ER
 A merchant paid \$300 for a shipment of x identical calculators. The
boomtangboy

11

10735

20 Nov 2019, 19:13

42
ER
 Which of the following is a possible equation for the above graph?
MohitRulz

11

5045

19 Feb 2019, 13:24

28
ER
 Leo, Shelly and Raj can complete a certain job in 10, 12, and 15 days
EgmatQuantExpert

11

2150

29 Aug 2019, 22:43

142
ER
 An escalator moves downward from street level to a subway platform at

11

3938

29 Jul 2019, 10:58

13
ER
 A certain hall contains two cuckoo clocks. If the first
joylive

11

3751

09 Sep 2019, 15:32

66
ER
 If J = 2 + 4 + 6 + 8 + . . . 98 + 100, and K = 1 + 3 + 5 + 7 + . . . +
GMATPrepNow

11

3219

10 May 2019, 11:41

156
ER
 For how many ordered pairs (x , y) that are solutions of the
Bunuel

11

12401

23 Aug 2019, 02:22

16
ER
 Sequence S consists of 16 consecutive integers. If -6 is the
enigma123

11

4520

01 Apr 2019, 08:42

8
ER
 At Nat’s Nuts a 2.25 pound bag of pistachio nuts cost \$6.00. At this
Bunuel

11

1121

25 Sep 2019, 08:47

24
ER
 If (x^2 + 1)y=3, which of the following is not a possible value for y?
oloman

11

3848

26 Jul 2019, 06:25

53
ER
 Which among 2^1/2, 3^1/3, 4^1/4 , 6^1/6 and 12^1/12 is the largest ?
GMATnavigator

11

26589

07 Dec 2018, 10:39

32
ER
 If x/(x+y) = n, and x/(x-y) = m, then x/y = ? (|x| does not
MrWallSt

11

5990

08 Oct 2018, 02:48

33
 How many different 3-digit integers have exactly two d
chondro48

12

1079

13 Sep 2019, 02:14

105
ER
 What is the sum of all four digit integers formed using the digits 1,
Bunuel

12

3212

19 Sep 2019, 21:45

34
ER
 Shawna and Jia worked together to paint a house. Combined they worked
dabaobao

12

2075

18 Nov 2019, 23:20

74
ER
 What is the value of D + O + R + F? Question of the Day III

12

6207

09 Aug 2019, 14:50

15
ER
 x^n + x^n + x^n = x^(n + 1), where x cannot equal zero. Which of the
Bunuel

12

1852

01 Aug 2018, 16:37

30
ER
 If the sum of the first 30 positive odd inte
EgmatQuantExpert

12

3664

30 Sep 2019, 09:03

26
ER
 If for some value of x, 5^x + 5^(–x) = B, then which of the following
lalania1

12

3139

27 Jun 2018, 13:13

25
ER
 The square root of integer x is equal to the sum of the cubes of y and
Bunuel

12

1632

14 Mar 2019, 11:48

29
ER
 The sum of the first 100 even positive integers – divided by the sum o

12

14137

03 Dec 2019, 00:55

43
ER
 In the expansion of (x + y)^6, what is the coefficient of the x^3y^3
Bunuel

12

31945

05 Jul 2019, 06:55

85
ER
 If n = 10^10 and n^n = 10^d, what is the value of d?
russ9

12

11710

17 Sep 2019, 04:11

57
ER
 A set S = { x, -8, -5, -4, 4, 6, 9, y } with elements arrang
vtran

12

4945

06 Nov 2019, 08:29

117
ER
 If x^2 + y^2 = 100, and x≥0, and y≥0, the maximum value of x
emmak

12

13754

22 Feb 2019, 10:02

55
ER
 For x < 0. Simplify {-(x + 1) |x-1| + 1}^1/2?
Vamshi8411

12

8378

11 Feb 2019, 02:42

21
ER
 If x^2+y^2=1 and ||x|-0.34|+0.66=y, how many values can x take?
Philipp98

12

847

29 Aug 2019, 23:13

54
ER
 If two integers are chosen at random out of first 5 positive integers,
dabaobao

12

1692

18 Jul 2019, 23:46

125
ER
 If m^2 < 225 and n - m = -10, what is the sum f the smallest
Bunuel

12

9673

27 Jan 2019, 02:58

13
ER
 Sarah operated her lemonade stand Monday through
danzig

12

3163

14 Aug 2017, 02:50

33
ER
 If one root of x^2+px+12=0 is 4, and the equation x^2+px+q=0
feruz77

12

22422

10 Nov 2019, 00:01

27
ER
 If P and Q are positive integers, and n is the decimal
Jp27

12

6036

06 Sep 2019, 05:16

20
ER
 If −1 < x < 0 and 0 < y < 1
ashikaverma13

12

1916

25 Jun 2018, 11:32

41
ER
 What is the sum of all possible solutions to the equation (2x^2-x-9)^
GGMU

12

7828

21 Jan 2019, 00:50

198
ER
 If 10^50 – 74 is written as an integer in base 10 notation what is the
minnu

13

15335

21 May 2019, 12:29

8
ER
 A factory producing tennis balls stores them in either big
sondenso

13

4794

20 Nov 2019, 21:12

70
ER
 Find the minimum value of an expression 2 (x^2) + 3 (y^2) -
MisterEko

13

14119

10 Jul 2019, 12:48

21
ER
 If n is greater than 20, what is the number closest to n^100 - n^90?
haardiksharma

13

1827

28 Jul 2018, 04:27

50
ER
 For any numbers x and y, x#y = xy - x - y if x#y=1 which
bmwhype2

13

8273

15 Oct 2019, 09:36

27
ER
 If the sum of the first n positive integers is x, then which
goodyear2013

13

4943

12 Mar 2019, 02:45

54
ER
 The ACME company manufactured x brooms per month from Januar
dcastan2

13

9139

04 Sep 2019, 03:39

30
ER
 If y>x & x^2 + y^2 = 5101, the value of y-x is
PareshGmat

13

2390

12 Jun 2017, 23:23

54
ER
 If p^2 – 13p + 40 = q, and p is a positive integer between 1
AnkitK

13

6752

09 Sep 2019, 03:46

23
ER
 If the number 12341234B1234A, in which A and B represent digits, is di
ynaikavde

13

4812

15 Nov 2019, 06:56

33
ER
 Which of the following equation has 3 + 2*3^(1/2) as one of its roots
EgmatQuantExpert

13

1674

31 Jul 2019, 09:31

56
ER
 If (x × 10^q) – (y × 10^r) = 10^r, where q, r, x, and y are positive
Bunuel

13

3723

08 Sep 2019, 06:06

51
ER
 The sum of the first k positive integers is equal to k(k+1)/2. What is
Baten80

13

11880

16 Aug 2019, 04:45

53
ER
 If a line which has the equation 7x + 17y = 1000 is plotted on X-Y pla
GMATinsight

13

2780

01 Apr 2019, 06:36

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