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EMPOWERgmat PS Forum Expert  Ask Me Anything about PS and Math
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Source: EMPOWERgmat
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EMPOWERgmatRichC
26
5274
by:
EMPOWERgmatRichC
,
26 Oct 2019, 19:33
Veritas Prep PS Forum Expert  Karishma  Ask Me Anything about Math
Tags:
Source: Veritas Prep
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1
...
8
,
9
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10
VeritasKarishma
199
9986
by:
VeritasKarishma
,
30 Dec 2019, 21:38
Announcements
532
ER
100 Hardest and easiest questions for PS as of December 2019
Tags:
Difficulty: 700Level
Bunuel
13
106379
by:
miralishabbir
,
20 Dec 2019, 16:34
1955
ER
GMAT PS Question Directory by Topic & Difficulty
Tags:
Difficulty: 600700 Level
,
Difficulty: 700Level
,
Difficulty: Sub600 Level
,
Combinations
,
Mixture Problems
,
Work/Rate Problems
,
Source: GMAT Club Tests
,
Source: GMAT Prep
,
Source: Official Guide
bb
0
764764
by:
bb
,
22 Feb 2012, 11:27
GMAT Club Member
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Topics
63
ER
What is the sum of all 3 digit numbers that leave a remainde
Tags:
Difficulty: 700Level
,
Arithmetic
,
Remainders
,
Sequences
Go to page:
1
,
2
joyseychow
20
23554
by:
bumpbot
,
08 Jan 2019, 05:28
63
ER
If a number is selected from the factors of 3^{3} 5^{2} 7^{2}
Tags:
Difficulty: 700Level
,
Algebra
,
Probability
,
Source: Math Revolution
idontknowwhy94
7
2759
by:
bumpbot
,
25 Mar 2019, 18:47
63
ER
The temperature inside a certain industrial machine at time
Tags:
Difficulty: 700Level
,
Algebra
,
Source: Manhattan GMAT
oss198
18
12035
by:
bumpbot
,
03 Aug 2019, 09:27
62
ER
For all positive integers n, the sequence An is defined by
Tags:
Difficulty: 700Level
,
Arithmetic
,
Source: Manhattan GMAT
daviesj
14
5526
by:
SPatel1992
,
17 May 2019, 15:41
62
ER
For how many ordered pairs (x , y) that are solutions of the equation
Tags:
Difficulty: 700Level
,
Algebra
,
Source: Math Revolution
Go to page:
1
,
2
,
3
,
4
Bunuel
74
2437
by:
komals06
,
17 Jul 2019, 21:39
61
ER
If x+3  12 < 13, what is the range of x?
Tags:
Difficulty: 700Level
,
Absolute Values/Modulus
,
Algebra
,
Source: eGMAT
EgmatQuantExpert
16
2841
by:
venkivety
,
14 May 2019, 23:57
61
ER
36^2+37^2+38^2+39^2+40^2+41^2+42^2+43^2+44^2=
Tags:
Difficulty: 700Level
,
Arithmetic
,
Exponents/Powers
,
Source: Manhattan GMAT
enigma123
15
9138
by:
bumpbot
,
15 Apr 2019, 15:24
60
ER
Which of the following is the largest?
Tags:
Difficulty: 700Level
,
Arithmetic
,
Exponents/Powers
,
Source: Manhattan GMAT
mau5
9
3334
by:
bumpbot
,
19 Feb 2019, 00:06
59
ER
If x–1<4, so:
Tags:
Difficulty: 700Level
,
Absolute Values/Modulus
,
Algebra
,
Inequalities
,
Source: Other  Please specify
vitorpteixeira
16
3966
by:
ArvindCrackVerbal
,
21 Jun 2019, 05:31
58
ER
If the price of a commodity is directly proportional to m^3
Tags:
Difficulty: 700Level
,
Arithmetic
,
Source: Manhattan GMAT
Dipankar6435
13
12055
by:
bumpbot
,
20 Dec 2018, 20:59
58
ER
The positive value of x that satisfies the equation (1 + 2x)
Tags:
Difficulty: 700Level
,
Algebra
,
Exponents/Powers
,
Source: Manhattan GMAT
Smita04
16
15915
by:
bumpbot
,
11 Apr 2019, 12:00
58
ER
Which of the following integers can be written as both the
Tags:
Difficulty: 700Level
,
Arithmetic
,
Number Properties
,
Source: Princeton Review
hfbamafan
18
5423
by:
ScottTargetTestPrep
,
19 Apr 2019, 06:49
58
ER
The sum of all the digits of the integers from 18 to 21 incl
Tags:
Difficulty: 700Level
,
Arithmetic
,
Source: Magoosh
shrive555
15
12788
by:
bumpbot
,
06 Sep 2019, 00:29
57
ER
If 6x=8y=14z, then what is a possible sum of positive integers x, y, a
Tags:
Difficulty: 700Level
,
Algebra
,
Source: Veritas Prep
Bunuel
6
6046
by:
bumpbot
,
09 Jun 2019, 14:25
57
ER
A set S = { x, 8, 5, 4, 4, 6, 9, y } with elements arrang
Tags:
Difficulty: 700Level
,
Arithmetic
,
Statistics and Sets Problems
,
Source: Veritas Prep
vtran
12
5024
by:
Youraisemeup
,
06 Nov 2019, 08:29
56
ER
In the expression a $ b, the $ symbol represents one of the
Tags:
Difficulty: 700Level
,
Arithmetic
,
Functions and Custom Characters
,
Number Properties
,
Source: Manhattan GMAT
emmak
8
4922
by:
bumpbot
,
15 Oct 2018, 06:49
56
ER
Jamboree and GMAT Club Contest: The sum of the two digit numbers
Tags:
Difficulty: 700Level
,
Arithmetic
,
Source: Jamboree
Go to page:
1
,
2
,
3
Bunuel
49
6428
by:
bumpbot
,
25 Aug 2019, 18:26
56
ER
If (x × 10^q) – (y × 10^r) = 10^r, where q, r, x, and y are positive
Tags:
Difficulty: 700Level
,
Algebra
,
Exponents/Powers
,
Number Properties
,
Source: Manhattan GMAT
Bunuel
13
3762
by:
Kinshook
,
08 Sep 2019, 06:06
56
ER
A certain theater has 100 balcony seats. For every $2
Tags:
Difficulty: 700Level
,
Arithmetic
,
Word Problems
,
Source: 800 Score
,
Source: GMAT Paper Tests
boomtangboy
19
10101
by:
bumpbot
,
29 Dec 2019, 17:57
56
ER
A camera lens filter kit containing 5 filters sells for $57
Tags:
Difficulty: 700Level
,
Arithmetic
,
Percents and Interest Problems
,
Source: GMAT Prep
BabySmurf
14
7454
by:
bumpbot
,
14 Sep 2019, 05:31
55
ER
What is the units digit of 66^6  5^55?
Tags:
Difficulty: 700Level
,
Arithmetic
,
Exponents/Powers
,
Source: GMAT Club Tests
Bunuel
17
3432
by:
Bunuel
,
03 Dec 2019, 00:50
55
ER
For x < 0. Simplify {(x + 1) x1 + 1}^1/2?
Tags:
Difficulty: 700Level
,
Absolute Values/Modulus
,
Algebra
Vamshi8411
12
8414
by:
KanishkM
,
11 Feb 2019, 02:42
55
ER
If two integers are chosen at random out of first 5 positive integers,
Tags:
Difficulty: 700Level
,
Algebra
,
Combinations
,
Number Properties
,
Poor Quality
,
Probability
,
Source: Veritas Prep
dabaobao
12
1758
by:
hellosanthosh2k2
,
18 Jul 2019, 23:46
55
ER
What is the value of A=1/5^2+2/5^3+...+11/5^12?
Tags:
Difficulty: 700Level
,
Algebra
,
Exponents/Powers
,
Fractions/Ratios/Decimals
,
Sequences
,
Source: Other  Please specify
broall
16
3838
by:
bumpbot
,
31 Oct 2019, 01:46
54
ER
If p^2 – 13p + 40 = q, and p is a positive integer between 1
Tags:
Difficulty: 700Level
,
Algebra
,
Probability
,
Source: Manhattan GMAT
AnkitK
13
6783
by:
GMATGuruNY
,
09 Sep 2019, 03:46
54
ER
The ACME company manufactured x brooms per month from Januar
Tags:
Difficulty: 700Level
,
Algebra
,
Word Problems
,
Source: Manhattan GMAT
dcastan2
13
9207
by:
hero_with_1000_faces
,
04 Sep 2019, 03:39
53
ER
Which among 2^1/2, 3^1/3, 4^1/4 , 6^1/6 and 12^1/12 is the largest ?
Tags:
Difficulty: 700Level
,
Arithmetic
,
Exponents/Powers
,
Number Properties
GMATnavigator
11
27479
by:
bumpbot
,
07 Dec 2018, 10:39
53
ER
Tourist purchased a total of 30 travelers checks in $50 and
Tags:
Difficulty: 700Level
,
Arithmetic
,
Word Problems
,
Source: GMAT Paper Tests
Go to page:
1
,
2
GMATBaumgartner
24
9085
by:
bumpbot
,
06 Feb 2019, 07:28
53
ER
If (3^4)(5^6)(7^3) = (35^n)(x), where x and n are both posit
Tags:
Difficulty: 700Level
,
Algebra
,
Exponents/Powers
,
Source: Kaplan
roygush
19
7307
by:
bumpbot
,
01 Jul 2019, 08:04
53
ER
If f(x) = 5x^2 and g(x) = x^2 + 12x + 85, what is the sum of all value
Tags:
Difficulty: 700Level
,
Algebra
tejal777
15
11217
by:
bumpbot
,
25 Apr 2019, 15:26
53
ER
If a line which has the equation 7x + 17y = 1000 is plotted on XY pla
Tags:
Difficulty: 700Level
,
Algebra
,
Coordinate Geometry
,
Source: Other  Please specify
GMATinsight
13
2812
by:
foryearss
,
01 Apr 2019, 06:36
53
ER
A project requires a rectangular sheet of cardboard satisfying the fol
Tags:
Difficulty: 700Level
,
Algebra
,
Geometry
,
Source: Manhattan GMAT
bkpolymers1617
6
2591
by:
Pritishd
,
19 Oct 2019, 10:26
52
ER
Suppose x, y, and z are positive integers such that xy + yz = 29 and x
Tags:
Difficulty: 700Level
,
Algebra
,
Source: Veritas Prep
plaverbach
10
11509
by:
bumpbot
,
17 Nov 2019, 17:08
52
For how many different pairs of positive integers (a, b) can
Tags:
Difficulty: 700Level
,
Arithmetic
,
Source: Manhattan GMAT
AccipiterQ
6
5729
by:
bumpbot
,
28 Mar 2019, 10:50
52
ER
For a particular model of moving truck, rental agency A charges a dail
Tags:
Difficulty: 700Level
,
Algebra
,
Source: Manhattan GMAT
chetan86
14
11933
by:
bumpbot
,
09 Dec 2019, 17:45
52
ER
(1.0002)(0.9999) – (1.0001)(0.9998) =
Tags:
Difficulty: 700Level
,
Algebra
,
Arithmetic
,
Source: Manhattan GMAT
GreginChicago
14
6321
by:
kdgupta
,
06 Sep 2019, 00:52
52
ER
If x^2−5x+6=2−x−1, what is the product of all possible values of x?
Tags:
Difficulty: 700Level
,
Absolute Values/Modulus
,
Algebra
,
Source: Other  Please specify
Bunuel
8
3188
by:
manjot123
,
31 Aug 2018, 17:03
51
ER
If x is positive and not equal to 1, then the product of x^(1/n) for a
Tags:
Difficulty: 700Level
,
Algebra
,
Exponents/Powers
,
Source: Manhattan GMAT
Bunuel
6
2833
by:
bumpbot
,
14 Jun 2019, 02:48
51
ER
The sum of the first k positive integers is equal to k(k+1)/2. What is
Tags:
Difficulty: 700Level
,
Algebra
,
Source: GMAT Paper Tests
Baten80
13
11967
by:
Kinshook
,
16 Aug 2019, 04:45
50
ER
For any numbers x and y, x#y = xy  x  y if x#y=1 which
Tags:
Difficulty: 700Level
,
Algebra
,
Functions and Custom Characters
,
Source: GMAT Club Tests
bmwhype2
13
8480
by:
bumpbot
,
15 Oct 2019, 09:36
50
ER
For any numbers a and b, a#b=a + b  ab. If a#b=0, which of
Tags:
Difficulty: 700Level
,
Arithmetic
,
Functions and Custom Characters
,
Source: GMAT Paper Tests
,
Source: GMAT Prep
Stiv
15
14585
by:
ScottTargetTestPrep
,
11 Jun 2019, 20:23
50
ER
What is the value of 27^2+28^2+29^2+30^2+31^2+32^2+33^2
Tags:
Difficulty: 700Level
,
Algebra
,
Arithmetic
,
Source: GMAT Club Tests
Bunuel
13
6791
by:
bumpbot
,
29 Jan 2019, 02:51
50
ER
The product of the twodigit numbers above is the threedigi
Tags:
Difficulty: 700Level
,
Arithmetic
,
Source: OG 10
,
Source: Official Guide
,
Source: Quant Review 1st
,
Source: Quant Review 2nd
Bunuel
16
7548
by:
bumpbot
,
17 Jan 2020, 06:41
50
ER
If (a+b)^x=a^x + y(a^(x1)*b^(x4)) + z(a^(x2)*b^(x3)) + z(a^(x3)*^
Tags:
Difficulty: 700Level
,
Algebra
,
Exponents/Powers
Bunuel
8
3510
by:
bumpbot
,
17 Jan 2019, 19:24
50
ER
If x and y are positive and x^2y^2 = 18 – 3xy, then x^2 ?
Tags:
Difficulty: 700Level
,
Algebra
,
Source: Magoosh
,
Source: Manhattan GMAT
Jp27
15
7050
by:
bebs
,
14 Nov 2019, 11:42
49
ER
Jane started babysitting when she was 18 years old.
Tags:
Difficulty: 700Level
,
Arithmetic
,
Word Problems
,
Source: Manhattan GMAT
u0422811
19
8479
by:
bumpbot
,
31 Mar 2019, 22:05
49
ER
What is the sum of all possible solutions to x  3^2 + x  3 = 20
Tags:
Difficulty: 700Level
,
Absolute Values/Modulus
,
Algebra
,
Source: Other  Please specify
Alex75PAris
7
2665
by:
Bunuel
,
09 Feb 2019, 00:50
49
ER
If a = 28/31, b=29/30 and c=31/33. Which of the following is true?
Tags:
Difficulty: 700Level
,
Arithmetic
BabySmurf
16
5240
by:
Kinshook
,
08 Sep 2019, 04:14
49
ER
What is the value of 1+1/(1+2)+1/(1+2+3)
Tags:
Difficulty: 700Level
,
Arithmetic
,
Fractions/Ratios/Decimals
,
Number Properties
,
Sequences
,
Source: Other  Please specify
chetan2u
10
1794
by:
bumpbot
,
04 Jul 2019, 21:13
48
ER
For how many unique pairs of nonnegative integers {a, b} is the equati
Tags:
Difficulty: 700Level
,
Algebra
,
Source: Manhattan GMAT
Bunuel
8
4077
by:
bumpbot
,
11 Jul 2019, 04:03
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