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Permutation and Combination Problem
by sukhman »
A nickel, a dime, and two identical quarters are arranged along a...
1
Last post by ganeshrkamath
Tue Sep 10, 2013 12:03 am
Permutation and Combination Problem
by sukhman »
In how many ways can 3 letters out of five distinct 5 distinct...
1
Last post by ganeshrkamath
Mon Sep 09, 2013 11:57 pm
Permutation and Combination Problem
by sukhman »
A password contains at least 8 distinct digits. It takes 12 seconds...
1
Last post by ganeshrkamath
Mon Sep 09, 2013 11:51 pm
CI Problem
by MI3 »
Jim needs $1,000 to buy a new flat-screen TV. Since he has only $7,...
3
Last post by vipulgoyal
Mon Sep 09, 2013 10:26 pm
Permutation and Combination Problems
by sukhman »
A man wants to visit at least two of the four cities A, B, C and D....
2
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Last post by sukhman
Mon Sep 09, 2013 10:24 pm
Probability & counting problem example
by soumya029 »
Hi, I was watching a video from Princeton review. It was about...
4
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Last post by vipulgoyal
Mon Sep 09, 2013 10:07 pm
P&C
by sanjoy18 »
how many triangle can be formed??
2
Last post by rakeshd347
Mon Sep 09, 2013 4:50 pm
A tricky question
by \'manpreet singh »
How many different ways can 3 cubes be painted if each cube is...
4
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Last post by [email protected]
Mon Sep 09, 2013 12:17 pm
Tough Geometery question:
by \'manpreet singh »
Suppose five circles, each 4 inches in diameter, are cut from a...
2
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Last post by Brent@GMATPrepNow
Mon Sep 09, 2013 11:39 am
Worried
by vinay1983 »
:( I have heard that Probability and Combinatorics constitute a very...
1
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Last post by Brent@GMATPrepNow
Mon Sep 09, 2013 7:29 am
Probability
by sukhman »
A carton contains 25 bulbs , 8 of which are defective. What is the...
1
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Last post by [email protected]
Sun Sep 08, 2013 11:20 pm
Help
by sana.noor »
At a blind taste competition a contestant is offered 3 cups of each...
4
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Last post by mgm
Sun Sep 08, 2013 4:46 pm
If y=−m2, which of the following must be true? I) y is
by varun289 »
If y=−m2, which of the following must be true? I) y is...
4
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Last post by [email protected]
Sun Sep 08, 2013 1:14 pm
Probalility
by Anindya Madhudor »
The governor has decided to pardon one of the three prisoners (A, B,...
2
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Last post by [email protected]
Sun Sep 08, 2013 1:10 pm
Good Probably and combinations Question - Yahtzee Game
by faraz_jeddah »
In the game of Yahtzee, a full house occurs when a player rolls five...
6
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Last post by [email protected]
Sun Sep 08, 2013 1:07 pm
Probability Question
by sukhman »
If five fair coins are tossed together , what is the probability of...
3
Last post by sanjoy18
Sun Sep 08, 2013 12:52 pm
Combination problem
by Anindya Madhudor »
If n balls are placed at random into n cells, find the probability...
3
Last post by Java_85
Sun Sep 08, 2013 11:12 am
A, B and C working alone can complete a work in 24
by vinni.k »
A, B and C working alone can complete a work in 24, 32, and 48 days...
4
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Last post by GMATGuruNY
Sun Sep 08, 2013 7:15 am
reminder
by sanjoy18 »
what is the reminder when 3^444+4^333 is divided by 5 A)0 B)1 C)2 D)3...
4
Last post by vinay1983
Sat Sep 07, 2013 7:37 am
word translation:- please explain each step especially last
by Anusha.h »
In a used car lot, there are 3 times as many red cars as green cars....
3
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Last post by Anusha.h
Sat Sep 07, 2013 7:03 am
maxium and minium
by sanjoy18 »
|a-2|<4;|b+4|<8;|2c-3|<11. Find the difference between the...
1
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Last post by Brent@GMATPrepNow
Sat Sep 07, 2013 6:32 am
Help with Geometry Concept
by atlcharm »
This is a GRE math question, but I heard I can get help here! Thanks...
2
Last post by ganeshrkamath
Sat Sep 07, 2013 4:53 am
Inequality
by Imsukhi »
if a>b and p<q then which of the following is true? A) a-q...
9
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Last post by subhakam
Fri Sep 06, 2013 5:49 am
Need explanation for probability problem.
by akpareek »
If a certain coin is flipped, the probability that the coin will land...
7
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Last post by [email protected]
Thu Sep 05, 2013 11:35 pm
Percents- 700-800
by lavinia »
Currently, y percent of the members on the finance committee are...
8
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Last post by [email protected]
Thu Sep 05, 2013 12:47 pm
Number theory problem 1:
by \'manpreet singh »
The number m yields a remainder p when divided by 14 and a remainder...
3
Last post by GMATGuruNY
Thu Sep 05, 2013 10:00 am
Monitors manufactured at a certain plant in November
by melguy »
Of the computer monitors manufactured at a certain plant in November,...
4
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Last post by GMATGuruNY
Thu Sep 05, 2013 9:57 am
What is the area of a triangle (easier solution)
by melguy »
Please help with the problem. Thanks
7
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Last post by melguy
Thu Sep 05, 2013 8:05 am
Power of 3
by melguy »
Hello I am confused with what to take common when exponents are...
6
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Last post by Brent@GMATPrepNow
Thu Sep 05, 2013 5:57 am
A good practice prob:
by \'manpreet singh »
If 42.42 = k(14 + m/50), where k and m are positive integers and m...
2
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Last post by [email protected]
Wed Sep 04, 2013 11:40 pm
Geometry
by vinay1983 »
What is the approximate perimeter of a square that has a diagonal of...
5
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Last post by [email protected]
Wed Sep 04, 2013 11:28 pm
Manhattan Word Problem
by shivshankar054 »
Hi All, pls help me with this problem.. Sorry couldn't type as the...
2
Last post by shivshankar054
Wed Sep 04, 2013 11:11 pm
Can't understand this problem.....
by yumi2012 »
A closed cylindrical tank contains 36Ï€ cubic feet of water and is...
2
EXPERT REPLIES
Last post by [email protected]
Wed Sep 04, 2013 11:11 pm
Geometry
by vinay1983 »
There are 12 points on a plane, 6 of which are collinear. How many...
2
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Last post by vipulgoyal
Wed Sep 04, 2013 9:20 pm
If 5^11 × 4^5 = 5 × 10^k , what is the value of k?
by soneee »
I am having trouble with this question. If 5^11 Ã- 4^5 = 5 Ã- 10^k...
2
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Last post by GMATGuruNY
Wed Sep 04, 2013 9:05 pm
Is there a shortcut for this problem?
by prachi.sakhare »
How many consecutive zeros will appear at the end of 43! if that...
6
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Last post by gabrieldoria
Wed Sep 04, 2013 5:49 pm
Number property problem, need explanation plzz
by akpareek »
The function f is defined by f(x)= √x-10 for all positive...
2
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Last post by Mike@Magoosh
Wed Sep 04, 2013 12:33 pm
Number property problem, need explanation plz
by akpareek »
The sequence a1, a2,.....an...is such that an= 2an-1-x for all...
3
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Sep 04, 2013 9:29 am
Algebra
by sanjoy18 »
If (ax+b)+3/(ax+b)=2 then value of is a)-2 b)-3 c)-6 d)-4 e)none of...
6
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Wed Sep 04, 2013 6:25 am
number system
by vipulgoyal »
For a certain set of numbers, if x is in the set, then x-3 is also in...
3
EXPERT REPLIES
Last post by vinay1983
Wed Sep 04, 2013 1:25 am
Need explanation for probability problem (URGENT)
by akpareek »
A box contains 10 light bulbs, fewer than half of which are...
3
EXPERT REPLIES
Last post by GMATGuruNY
Tue Sep 03, 2013 8:51 pm
Need explanation for statistics problem
by akpareek »
In a demographic study, the population and total income of a certain...
3
EXPERT REPLIES
Last post by Mike@Magoosh
Tue Sep 03, 2013 4:22 pm
Quick way to find a prime factor of a number ?
by II »
How would you find the prime factors of 3841, for example ? Does...
6
Last post by chakradhar143
Tue Sep 03, 2013 11:48 am
Cirlce chord Question
by akhilpahuja »
Two circle C1 and C2 of radius 2 and 3 respectively touch each other...
2
EXPERT REPLIES
Last post by Mike@Magoosh
Tue Sep 03, 2013 8:56 am
Remainder Question
by topspin20 »
When positive integer n is divided by 7, the remainder is 2. When n...
13
EXPERT REPLIES
Last post by vinay1983
Tue Sep 03, 2013 3:28 am
A team of 6 cooks is chosen from 8 Men and 5 Women
by johndoe88 »
A team of 6 cooks is chosen from 8 Men and 5 Women. The team must...
6
EXPERT REPLIES
Last post by ganeshrkamath
Tue Sep 03, 2013 3:09 am
Inequalities problem
by psm12se »
If x≠0 and (x /|x|)<x, which of the following must be true?...
2
EXPERT REPLIES
Last post by [email protected]
Mon Sep 02, 2013 1:55 pm
Percentage Conundrum
by BlueDragon2010 »
Positive integer y is 50% of 50% of positive integer x, and y percent...
8
EXPERT REPLIES
Last post by [email protected]
Mon Sep 02, 2013 1:43 pm
Properties of cicles
by Mission2012 »
Is it true - Only way two perpendicular lines can be tangent to the...
3
EXPERT REPLIES
Last post by Mike@Magoosh
Mon Sep 02, 2013 10:33 am
Confused or going crazy - Cylinder Tank
by quiimari »
This is question 5 on the just published 2012 OG and either they made...
9
EXPERT REPLIES
Last post by Resp007
Mon Sep 02, 2013 7:31 am