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permutation
by confuse mind »
What is the maximum number of arrangement in which 5 different beads...
5
Last post by confuse mind
Wed Aug 22, 2012 11:45 pm
TOUGH NUMBER THEORY QUESTIONS
by Vidushi Jain »
What is the last digit of the number 23457^194321= A. 9 B. 1 C. 3 D....
2
Last post by SmartAssJun
Wed Aug 22, 2012 10:10 pm
Driver License
by Abdulla »
To receive a driver license, sixteen year-olds at Culliver High...
7
Last post by SmartAssJun
Wed Aug 22, 2012 9:19 pm
# of votes
by grandh01 »
Of the votes cast on a certain proposal, 80 more were in favor of the...
3
Last post by coolhabhi
Wed Aug 22, 2012 8:29 pm
Probability that 2nd ball differs by more than 2
by saintforlife »
Box of 10 balls numbered 1 thru 10. All have an equally likely chance...
1
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Last post by Ian Stewart
Wed Aug 22, 2012 7:05 pm
vehicles
by grandh01 »
Worldwide production of motor vehicles was 3.9 million vehicles in...
2
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Last post by Ian Stewart
Wed Aug 22, 2012 6:39 pm
lawn
by grandh01 »
Raymond took several days to mow a certain lawn. He mowed 1/3 of the...
3
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Last post by Ian Stewart
Wed Aug 22, 2012 6:25 pm
probablity
by das.ashmita »
Can someone please suggest the shortest approach for this question?...
2
Last post by cypherskull
Wed Aug 22, 2012 11:37 am
Remainders
by mgasset »
When a number x is divided by 5 it leaves a reminder of 3 and when...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Aug 22, 2012 6:36 am
Weighted Averages - Statistics
by shanice »
Hi all, I was going through the explanation in the book about...
4
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Last post by Brent@GMATPrepNow
Wed Aug 22, 2012 6:19 am
trailing zeros
by sanju09 »
How many trailing zeros will be there after the rightmost non-zero...
10
Last post by vk_vinayak
Wed Aug 22, 2012 2:14 am
miles
by grandh01 »
A car traveled 462 miles per tankful of gasoline on the highway and...
3
Last post by ziko
Tue Aug 21, 2012 8:50 pm
workers
by grandh01 »
In an office, 40 percent of the workers have at least 5 years of...
2
Last post by truplayer256
Tue Aug 21, 2012 6:26 pm
x =
by grandh01 »
The pages of a report are numbered consecutively from 1 to 10. If the...
1
Last post by theCEO
Tue Aug 21, 2012 3:42 pm
Must be true problem
by sam2304 »
If x ≠ 0 and x/|x| < x, which of the following must be true...
8
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Last post by sam2304
Tue Aug 21, 2012 9:38 am
probability + venn diagrams
by prajanya »
Q.) The waiter at an expensive resturant has noticed that 60% of the...
8
Last post by crisro
Tue Aug 21, 2012 7:36 am
remainder
by grandh01 »
If the remainder is 7 when positive integer n is divided by 18, what...
6
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Last post by Brent@GMATPrepNow
Tue Aug 21, 2012 6:39 am
(3^9-3^8)(3^7-3^6) equivilant to???
by marcusking »
Is there a quick way to solve the following (3^9-3^8)(3^7-3^6) = a....
6
Last post by Chirawat Sungkamee
Mon Aug 20, 2012 11:35 pm
Inequalities ...
by everything's eventual »
If x > y^2 > z^4, which of the following must be true ? I - x...
4
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Last post by Anurag@Gurome
Mon Aug 20, 2012 11:01 pm
Simple Interest Problem...
by everything's eventual »
Good Day, This seems to be an easy problem but for some reason I just...
6
Last post by everything's eventual
Mon Aug 20, 2012 10:16 pm
revolutions
by grandh01 »
A circular rim 28 inches in diameter rotates the same number of...
3
Last post by everything's eventual
Mon Aug 20, 2012 8:00 pm
Probability Problem
by everything's eventual »
If two out of four expressions x+y , x+5y, x-y, 5x - y, are chosen at...
1
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Last post by Anurag@Gurome
Mon Aug 20, 2012 7:43 pm
SUM?
by grandh01 »
A certain fraction is equivalent to 2/5. If the numerator of the...
2
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Last post by Anurag@Gurome
Mon Aug 20, 2012 7:33 pm
probability
by confuse mind »
If the 4 alphabets of TRAMPLER are picked, what is the probability...
3
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Last post by confuse mind
Mon Aug 20, 2012 7:07 pm
positive integers
by grandh01 »
The product of the first twelve positive integers is divisible by all...
1
Last post by theCEO
Mon Aug 20, 2012 4:07 pm
quadrilateral
by grandh01 »
In the figure above, CE = 5, BD = 8, and the area of quadrilateral...
1
Last post by truplayer256
Mon Aug 20, 2012 4:07 pm
invested
by grandh01 »
A total of $20,000 was invested in two certificates of deposit at...
1
Last post by theCEO
Mon Aug 20, 2012 3:51 pm
GMAT Math Help
by missang »
I have been studying off and on for the GMAT using the 60 day GMAT...
1
Last post by tisrar02
Mon Aug 20, 2012 1:45 pm
face cards - P&C
by confuse mind »
Which cards are face cards - J,Q,K or J,Q,K,A
1
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Last post by Ian Stewart
Mon Aug 20, 2012 9:04 am
In a certain colony of cancerous cells
by abcgmat »
In a certain colony of cancerous cells, each cell divides into two...
3
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Last post by Ian Stewart
Mon Aug 20, 2012 6:41 am
0<x<1
by adthedaddy »
Hi, I came across following explanation in MGMAT Book-3. Would like...
1
EXPERT REPLIES
Last post by Ian Stewart
Mon Aug 20, 2012 6:25 am
tough gemoetry question
by resilient »
A sphere is inscribed in a cube with an edge of 10. What is the...
16
Last post by miteshsholay
Mon Aug 20, 2012 1:25 am
(3^9 – 3^8) (3^7 – 3^6) =
by sanju09 »
(3^9 - 3^8) (3^7 - 3^6) = (A) 3^4 (B) 3^14 (C) 6^14 (D)...
3
EXPERT REPLIES
Last post by Chirawat Sungkamee
Sun Aug 19, 2012 11:50 pm
Percentages
by cypherskull »
I found the language of the problem statement somewhat ambiguous. A...
2
Last post by neelgandham
Sun Aug 19, 2012 12:20 pm
Confusing problem....geometry and probablity combined!!
by cypherskull »
A cylinder has a base with a circumference of 20pi meters and an...
1
EXPERT REPLIES
Last post by Anurag@Gurome
Sun Aug 19, 2012 11:22 am
Help..!
by cypherskull »
Randy can rebuild an automobile engine in a hours. Alvin can rebuild...
2
Last post by cypherskull
Sun Aug 19, 2012 11:12 am
OG PS #149
by jscpba »
During a trip, Francine traveled x percent of the total distance at...
6
EXPERT REPLIES
Last post by rsanz27
Sun Aug 19, 2012 9:13 am
probability
by smagish »
On Saturday morning, Malachi will begin a camping vacation and he...
6
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Last post by nailGmat2012
Sun Aug 19, 2012 8:23 am
three-story apartment building
by vikram4689 »
In a certain three-story apartment building, there are 11 tenants on...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sun Aug 19, 2012 7:28 am
Factorial
by shrey2287 »
Find the value of 1.1! + 2.2! + 3.3! + ......+n.n! (1) n! +1 (2)...
2
EXPERT REPLIES
Last post by Anurag@Gurome
Sun Aug 19, 2012 6:10 am
calculators
by grandh01 »
A merchant paid $300 for a shipment of x identical calculators. The...
2
Last post by GMATGuruNY
Sat Aug 18, 2012 7:39 pm
how do i solve this?
by grandh01 »
5^12 + 5^13 = (A) 5^25 (B) 10^25 (C) 6(5^12 ) (D) 10^12 + 5 (E)...
2
Last post by Stuart@KaplanGMAT
Sat Aug 18, 2012 6:41 pm
v=?
by grandh01 »
In the formula ,V = 1/2r^3 if r is halved, then V is multiplied by...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Aug 18, 2012 4:32 pm
return
by grandh01 »
A $500 investment and a $1,500 investment have a combined yearly...
1
Last post by GMATGuruNY
Sat Aug 18, 2012 3:19 pm
please help.. geometary
by AJWILL »
In the figure given below, square ABCD is inscribed in a circle.Point...
3
Last post by pemdas
Sat Aug 18, 2012 2:32 pm
k=?
by grandh01 »
If (t - 8) is a factor of t^2 -kt - 48, then k =...
3
Last post by pemdas
Sat Aug 18, 2012 2:12 pm
cabbage
by grandh01 »
A shipment of 1,500 heads of cabbage, each of which was approximately...
2
Last post by Stuart@KaplanGMAT
Sat Aug 18, 2012 12:47 pm
appliances
by grandh01 »
Craig sells major appliances. For each appliance he sells, Craig...
1
Last post by rijul007
Sat Aug 18, 2012 10:47 am
FDPs
by adthedaddy »
Last year, all registered voters in a country voted either for...
3
Last post by adthedaddy
Sat Aug 18, 2012 10:36 am
word problem
by AJWILL »
In a survey of X people it was found that 40% are Men and the...
2
Last post by cypherskull
Sat Aug 18, 2012 10:26 am