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# Problem Solving (PS)

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1
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 Introducing a Chat in PS Forum
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05 Jun 2019, 07:31

Forum Experts

 EMPOWERgmat PS Forum Expert - Ask Me Anything about PS and Math   Tags: Source: EMPOWERgmat
EMPOWERgmatRichC

18

3076

11 Jul 2019, 11:33

 Veritas Prep PS Forum Expert - Karishma - Ask Me Anything about Math   Go to page: 1 ... 6, 7, 8 Tags: Source: Veritas Prep
VeritasKarishma

152

6099

16 Jun 2019, 23:00

Announcements

471
ER
 100 Hardest and easiest questions for PS as of June 2019
Bunuel

11

94844

11 Jul 2019, 10:17

1812
ER
 GMAT PS Question Directory by Topic & Difficulty
bb

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707189

22 Feb 2012, 11:27

Topics

62
ER
 (\sqrt{15+4\sqrt{14}}+\sqrt{15-4\sqrt{14}})^2
obs23

10

9029

13 Dec 2018, 23:14

8
ER
 (√5+√5)(√5−√5)^2 =
Bunuel

4

622

24 Oct 2018, 04:06

13
 (0.513)(0.488)(0.942)/(0.684)(0.314)(0.183)
pandoraUM

3

710

02 May 2018, 06:57

13
ER
 (1 + 3^(1/2))(2 + 3^(1/2))^(1/2)
KarthikMBA2019

6

1151

02 Sep 2018, 14:16

90
ER
 (1.00001)(0.99999) - (1.00002)(0.99998) =
anon1

16

8841

02 Jul 2019, 19:09

42
ER
 (1.0002)(0.9999) – (1.0001)(0.9998) =
GreginChicago

13

5657

20 Jun 2018, 08:42

14
ER
 (1.0004)(0.9998) – (1.0002)(0.9996) =
CAMANISHPARMAR

4

705

19 Jun 2018, 19:58

31
 (1+ (3)^1/3) (2+(3^1/2))^1/2?
roastedchips

7

1632

02 Mar 2019, 13:17

19
ER
 (16x^4 – 81y^4)/(2x + 3y) = 12x^2 + 27y^2 and 4x + 3y = 9, what is x?
Bunuel

4

4296

10 Sep 2018, 01:47

17
ER
 (7^3)a+(7^2)b+7c+d=1045, where a, b, c, and d are integers from
MathRevolution

8

1223

19 Oct 2018, 00:12

7
 (a^4 + 1)/a^2 =
PareshGmat

4

1705

04 Aug 2018, 06:10

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

1

315

11 Mar 2019, 12:14

19
ER
 (root2*root5)/[(root7-root2-root5)(root7+root2+root5)]
Bunuel

7

3041

24 Dec 2018, 07:32

7
ER
 (x^8y^2+x^2y^8)/(x^2+y^2)=?
MathRevolution

3

383

02 Jan 2019, 01:46

46
ER
 [[x]] is equal to the lesser of the two integer values closest to non-
Bunuel

5

3955

05 Nov 2018, 02:43

28
ER
 [24+ 5(23)^1/2)]^1/2 + [24- 5(23)^1/2)]^1/2 lies between:
mneeti

16

6641

10 Jul 2018, 17:52

6
ER
 [V] denotes the greatest integer less than or equal to 'V'. 'V' is a p
nick1816

3

283

05 Jul 2019, 23:17

7
ER
 [x] is the greatest integer less than or equal to x. What is the value
MathRevolution

2

251

06 May 2019, 02:37

32
ER
 \sqrt{7 + \sqrt{48}} - \sqrt{3} = ?
faiint

10

6595

25 Dec 2017, 04:11

8
ER
 &, #, and each represents a different digit, and & multiplied by #
Bunuel

8

1538

27 Dec 2016, 16:42

20
 ∆ABC is a right triangle in XY-plane such that AB is parallel to the
disenapati

3

679

24 Jan 2019, 10:44

27
ER
 |x + 3| = |y -4|, where x and y are non-zero integers. If |x| < 5 and
EgmatQuantExpert

13

2495

27 Apr 2019, 05:29

15
ER
 0 < x < y, and x and y are consecutive integers. If the difference bet
vikasp99

10

2029

02 Sep 2018, 21:19

1080
ER
 0.99999999/1.0001 - 0.99999991/1.0003 =
Walkabout

21

54856

18 Apr 2019, 13:04

11
 1(1!) + 2(2!) + 3(3!) + 4(4!)………….50(50!) is a multiple of prime P
utkarshg97

2

216

28 Jun 2019, 19:08

27
ER
 1+1/2+1/3+.....+1/16 is
bagdbmba

14

4772

22 Apr 2018, 12:44

92
ER
 2^(22) + 2^(23) + 2^(24) + ... + 2^(43) + 2^(44) =
gettinit

9

5718

23 Dec 2018, 09:35

26
 20 students took the test. The arithmetic mean of the scores
guerrero25

9

2985

05 Feb 2019, 03:52

27
ER
 225, or 15^2, is the first perfect square that begins with
Vijayeta

5

4249

30 Dec 2017, 01:54

34
ER
 3(4^5+4^6+4^7+4^8+4^9+4^10)/(2^5+2^6+2^7+2^8+2^9+2^10)
alinomoto

10

4820

14 Sep 2016, 03:45

29
ER
 3\sqrt{80}+\frac{3}{9+4\sqrt{5}}}=
samark

6

5695

13 Jan 2019, 23:39

56
ER
 36^2+37^2+38^2+39^2+40^2+41^2+42^2+43^2+44^2=
enigma123

15

8451

15 Apr 2019, 15:24

3
 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

164

04 Jul 2019, 03:31

2
ER
 40,105*26*10,112 is the approximation of which of the following? A
MathRevolution

2

585

01 Mar 2017, 04:49

8
ER
 a = 2^4·5^4 b = 3^4·11^2 c=2^2·5^6. Which of the following is true?
anandgoyal

4

1291

22 Feb 2019, 09:39

19
ER
 A 1 meter tree limb was divided and labeled by fifths and sixths. The
AkshdeepS

2

467

15 Nov 2018, 03:01

3
ER
 a and b are two numbers such that 2a^4 -4ab + b^2 + 2 = 0...
lucajava

2

241

21 Apr 2019, 13:18

17
ER
 A baker filled with a measuring cup with 3/4 cup water. He poured 1/2.
asciijai

5

18752

20 Nov 2018, 05:46

4
 A bank transfers sum of money to Mr. Cathrall...
Nikhilaery

5

574

26 May 2019, 05:15

11
ER
 A baseball team’s season consists of playing 162 games.
harish1986

4

504

30 Oct 2018, 19:06

6
ER
 A book has 1000 pages numbered 1, 2, 3, …, and so on. How many times d
MathRevolution

6

353

09 May 2019, 02:44

7
ER
 A box contains 1 red ball, 3 green balls, 5 yellow balls, 7 blue balls
MathRevolution

4

388

21 Feb 2019, 01:14

34
ER
 A bucket contains a mixture of two liquids A & B
jackfr2

11

4398

22 Oct 2018, 04:29

22
ER
 A businessman earns $27800 in December, thus decreasing his PareshGmat 6 2078 11 Jul 2019, 11:49 49 ER  A camera lens filter kit containing 5 filters sells for$57
BabySmurf

13

6716

04 Sep 2018, 04:47

6
ER
 A carpet is y yards long and f feet wide. How many dollars will it cos
Bunuel

6

1141

20 Apr 2018, 03:08

65
ER
 A certain business produced x rakes each month form November
udaymathapati

14

19060

06 Jun 2019, 18:09

30
ER
 A certain calculating machine has only three operation butto
anon1

14

2797

12 Jan 2019, 16:40

17
ER
 A certain car company manufactured x cars at a cost of c dollars per
LakerFan24

7

1624

07 Mar 2019, 05:30

246
ER
 A certain clock marks every hour by striking a number of times equal
Bunuel

20

10987

15 Jul 2019, 08:08

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