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Standard deviation
by manhhiep2509 »
Toss a coin 4 times. What is the standard deviation of the number of...
1
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Last post by [email protected]
Fri Sep 26, 2014 11:04 am
compound interest
by yeshuashley »
Saw this problem in an article on Beat the GMAT but would somebody...
2
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Last post by GMATGuruNY
Fri Sep 26, 2014 10:53 am
probability
by manhhiep2509 »
The probability of having a particular disease in a population is 5%....
1
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Last post by [email protected]
Fri Sep 26, 2014 10:45 am
An art gallery has only paintings and sculptures.
by gmat_guy666 »
An art gallery has only paintings and sculptures. Currently, 1/3 of...
4
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Last post by chacha0212
Thu Sep 25, 2014 11:24 am
Area of an irregular figure
by abhasjha »
can any expert tell me theory behind how to calculate the area of an...
4
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Last post by [email protected]
Wed Sep 24, 2014 8:03 pm
Problem Solving
by RiyaR »
On a scale that measures the intensity of a certain phenomenon, a...
2
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Last post by Brent@GMATPrepNow
Wed Sep 24, 2014 9:47 am
Hourly Wage
by RiyaR »
. John and Mary were each paid x dollars in advance to do a certain...
2
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Last post by Brent@GMATPrepNow
Wed Sep 24, 2014 9:45 am
Opening Night and Late Patrons
by apoorva.rattan »
At the opening night performance of a new play, 5 percent of the...
4
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Last post by [email protected]
Tue Sep 23, 2014 10:08 am
Problem Solving
by RiyaR »
If -1 < x < 0, which of the following must be true? I. x 3 <...
2
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Last post by [email protected]
Mon Sep 22, 2014 11:32 am
Cost per Season
by voodoo_child »
Jack needs workers to clean his driveway for the current season. Each...
3
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Last post by [email protected]
Mon Sep 22, 2014 11:20 am
A foreman for an injection-molding firm
by manhhiep2509 »
A foreman for an injection-molding firm admits that on 10% of his...
3
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Last post by Matt@VeritasPrep
Mon Sep 22, 2014 9:10 am
Geometry Angles
by kamalakarthi »
Hi All, Can you please help me on the attached problem. Thanks in...
3
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Last post by Matt@VeritasPrep
Mon Sep 22, 2014 9:04 am
family
by j_shreyans »
A family consisting of one mother, one father, two daughters and a...
3
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Last post by GMATGuruNY
Sun Sep 21, 2014 12:07 pm
Jennifer
by j_shreyans »
Jennifer has 60 dollars more than Brian. If she were to give Brian...
2
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Last post by Brent@GMATPrepNow
Sun Sep 21, 2014 9:14 am
Need help with OG13 quant q116
by cml907 »
The question reads If p is the product of the integers from 1 to 30,...
1
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Last post by [email protected]
Sat Sep 20, 2014 4:51 pm
OG-13, I need some help!
by NaimaB »
I am following the 60 day study guide and I am on Day 13. I am...
3
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Last post by [email protected]
Sat Sep 20, 2014 11:27 am
Problem Related to Math Questions
by matthew1 »
Hello, I am good in all other aspects of this exam but my math...
1
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Last post by [email protected]
Fri Sep 19, 2014 10:59 am
Lock and key
by j_shreyans »
Each of four different locks has a matching key. The keys are...
1
Last post by GMATGuruNY
Fri Sep 19, 2014 9:32 am
basketball and golf
by j_shreyans »
In a certain country, 60 percent of the population likes basketball,...
4
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Last post by Brent@GMATPrepNow
Thu Sep 18, 2014 11:28 am
Dividing Polynomials
by recentgradmsu »
I had the following question on my practice exam: If xy = 1, what is...
3
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Last post by [email protected]
Wed Sep 17, 2014 8:01 pm
Problem Solving
by RiyaR »
A car traveled 462 miles per tankful of gasoline on the highway and...
3
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Last post by [email protected]
Wed Sep 17, 2014 7:45 pm
Official Question Doubt
by tanvis1120 »
Hi, In the attached problem, why can't we assume if 1 is a number in...
3
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Last post by [email protected]
Wed Sep 17, 2014 7:30 pm
Gprep 3 PS Q
by prachi18oct »
Please advise.
2
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Last post by Brent@GMATPrepNow
Wed Sep 17, 2014 6:19 am
divisors of 64
by j_shreyans »
If two distinct positive divisors of 64 are randomly selected, what...
1
Last post by GMATGuruNY
Wed Sep 17, 2014 2:42 am
MGMAT Test question wrong?
by Rastis »
If x and y are positive and x2y2 = 18 - 3xy, then x2 = A) (18...
7
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Last post by j_shreyans
Tue Sep 16, 2014 10:07 pm
A better explanation please!
by Rastis »
The number x is the average (arithmetic mean) of the positive numbers...
3
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Last post by gmatcracker0123
Tue Sep 16, 2014 11:23 am
n positive perfect square
by j_shreyans »
The sum of the first n positive perfect squares, where n is a...
2
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Last post by [email protected]
Tue Sep 16, 2014 11:14 am
Exponent
by j_shreyans »
An integer between 1 and 300, inclusive, is chosen at random. What is...
3
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Last post by GMATinsight
Tue Sep 16, 2014 7:26 am
Probablity
by parveen110 »
In a shop there were 12 different pairs of shoes. A man picked 4...
2
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Last post by Brent@GMATPrepNow
Tue Sep 16, 2014 6:58 am
different sets of positive square integers
by j_shreyans »
How many different sets of positive square integers, each greater...
4
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Last post by Brent@GMATPrepNow
Tue Sep 16, 2014 6:41 am
a^2-b^2
by j_shreyans »
If ab=x and a/b=y, and ab does not equal zero, then a^2−b^2...
2
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Last post by Brent@GMATPrepNow
Mon Sep 15, 2014 6:25 am
Uninsured part time
by j_shreyans »
In a survey of 348 employees, 104 of them are uninsured, 54 work part...
4
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Last post by GMATinsight
Sun Sep 14, 2014 10:30 pm
Approximation
by RiyaR »
Of the following, which if closest to ? (0.15*495)/9.97 (A) 7.5 (B)...
5
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Last post by [email protected]
Sun Sep 14, 2014 10:24 pm
Problem Solving
by RiyaR »
A merchant purchased a jacket for $60 and then determined a selling...
2
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Last post by [email protected]
Sun Sep 14, 2014 10:16 pm
greatest possible value of |x-y|
by j_shreyans »
If 2^x+2^y=x^2+y^2, where x and y are nonnegative integers, what is...
3
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Last post by GMATinsight
Sun Sep 14, 2014 9:43 pm
Six children — A, B, C, D, E, and F
by gmat_guy666 »
Six children - A, B, C, D, E, and F - are going to sit...
5
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Last post by GMATinsight
Sun Sep 14, 2014 9:01 pm
Rhyme primes
by j_shreyans »
Two different primes may be said to rhyme around an integer if they...
2
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Last post by Brent@GMATPrepNow
Sat Sep 13, 2014 10:41 am
reciprocal of m^2
by j_shreyans »
If m denotes a number to the left of 0 on the number line such that...
5
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Last post by [email protected]
Thu Sep 11, 2014 10:03 pm
School X and School Y
by j_shreyans »
The number of students enrolled at school X this year is 7 percent...
6
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Last post by j_shreyans
Thu Sep 11, 2014 10:02 pm
READ THIS FIRST: How to format your question
by Matt@VeritasPrep »
Since this just came up on another thread, I thought I'd post this...
3
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Last post by Brent@GMATPrepNow
Wed Sep 10, 2014 3:11 pm
Data Sufficiency
by RiyaR »
$&*^#=1995 In the correctly-worked multiplication problem above,...
1
Last post by GMATGuruNY
Wed Sep 10, 2014 10:48 am
GMAT Tuesdays: Co-Prime
by KevinRocci »
This week, we're tackling the GMAT math through a question...
1
Last post by Mathsbuddy
Wed Sep 10, 2014 6:40 am
If n = t^3 for some positive integer
by ritumaheshwari02 »
If n = t^3 for some positive integer t and if 8, 9 and 10 are each...
11
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Last post by Jim@StratusPrep
Tue Sep 09, 2014 11:58 am
Salary
by j_shreyans »
A certain movie star's salary for each film she makes consists of a...
2
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Last post by GMATGuruNY
Tue Sep 09, 2014 1:49 am
tiles
by j_shreyans »
Adam and Brianna plan to install a new tile floor in a classroom....
2
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Last post by [email protected]
Mon Sep 08, 2014 11:54 pm
non negative exponent of 12
by j_shreyans »
If n is a non-negative integer such that 12^n is a divisor of...
2
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Last post by [email protected]
Mon Sep 08, 2014 11:48 pm
standard deviation and mean
by j_shreyans »
In a certain experiment, the data collected is the number of...
2
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Last post by Brent@GMATPrepNow
Mon Sep 08, 2014 10:16 pm
Greatest prime factor
by prernamalhotra »
If integer k is equal to the sum of all even multiples of 15 between...
4
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Last post by Brent@GMATPrepNow
Mon Sep 08, 2014 10:03 pm
Circle and Equilateral Triangle Help
by Amit_BTG »
Please help me with this tedious question in the attachment. I don't...
3
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Last post by Amit_BTG
Mon Sep 08, 2014 8:18 pm
Pls help 2 :How many roots does this equation have?
by himu »
How many roots does the equation || x +2 | - 2 | = 2 have? A. 0 B. 1...
3
EXPERT REPLIES
Last post by [email protected]
Mon Sep 08, 2014 11:36 am