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Permutation and combination
by parveen110 »
In a plane there are 37 straight lines, of which 13 pass through the...
1
Last post by GMATGuruNY
Sun Jan 26, 2014 5:16 am
Permutation and combination
by parveen110 »
Five balls of different colors are to be placed in three different...
4
Last post by parveen110
Sat Jan 25, 2014 11:49 pm
factorial and divisibility
by mehrasa »
what is the least N such that N! is divisible by 1000? 8 10 15 20 25...
5
Last post by DominateTheGMAT
Sat Jan 25, 2014 8:44 am
Probability
by Sak32 »
On a store counter are exactly 2 boxes containing only purple marbles...
4
EXPERT REPLIES
Last post by bubbliiiiiiii
Sat Jan 25, 2014 7:53 am
Change the Mean Formula
by RSK »
Hi guys, Does anyone know what the formula is for calculating a...
8
Last post by khushbumerchant
Sat Jan 25, 2014 12:01 am
Please Help
by phoenix9801 »
Question: You have a some sum of money in a investment portfolio and...
4
EXPERT REPLIES
Last post by [email protected]
Fri Jan 24, 2014 6:25 pm
Permutation & combination
by parveen110 »
In a convex nonagon all the diagonals are drawn. These diagonals...
1
Last post by GMATGuruNY
Fri Jan 24, 2014 11:39 am
Permutation and combination
by parveen110 »
X is the set of all the pairs (p,q) where 1<=p<q<=N. If two...
1
Last post by Patrick_GMATFix
Fri Jan 24, 2014 10:18 am
length of the third side
by EricKryk »
If 3 and 8 are the lengths of two sides of a triangular region, which...
2
EXPERT REPLIES
Last post by Patrick_GMATFix
Fri Jan 24, 2014 9:41 am
MGMAT PS
by rakeshd347 »
A rectangular wall is covered entirely with two kinds of decorative...
5
Last post by vipulgoyal
Fri Jan 24, 2014 12:35 am
P & C problem
by parveen110 »
There are four different coloured balls and 4 boxes of the same...
5
EXPERT REPLIES
Last post by sanju09
Thu Jan 23, 2014 10:41 pm
PERMUTATION & COMBINATION
by ashishjha100 »
pls help in solving following questions........ 1.The no: of ways in...
7
EXPERT REPLIES
Last post by vipulgoyal
Thu Jan 23, 2014 9:55 pm
Underwriting Syndicate
by ollapodrida »
In firm commitment underwriting, a group of investment banking firms...
2
EXPERT REPLIES
Last post by ollapodrida
Thu Jan 23, 2014 6:44 pm
If x^3 < 16x which of the following includes
by vinni.k »
If x^3 < 16x which of the following includes at least some of the...
2
EXPERT REPLIES
Last post by [email protected]
Thu Jan 23, 2014 1:06 pm
Long distance phone call
by ollapodrida »
A certain phone company charges $2.50 for the first 10 minutes of a...
2
Last post by theCodeToGMAT
Thu Jan 23, 2014 11:14 am
Mixtures
by riz_gmat »
A solution contains 8 parts water for every 7 parts of lemonade...
5
Last post by vipulgoyal
Thu Jan 23, 2014 1:13 am
Sarah invested $38,700 in an account that paid 6.2% annual
by Mike@Magoosh »
Sarah invested $38,700 in an account that paid 6.2% annual interest,...
0
Last post by Mike@Magoosh
Wed Jan 22, 2014 12:35 pm
OG 13, PS Q 117
by GMATNR »
If n=3^8-2^8, which of the following is NOT a factor of n? a) 97, b)...
2
EXPERT REPLIES
Last post by ceilidh.erickson
Wed Jan 22, 2014 11:37 am
geomatry
by vipulgoyal »
The figure shows a frustum of a cone. If r=3, R=6, and h=4, what is...
2
EXPERT REPLIES
Last post by ceilidh.erickson
Wed Jan 22, 2014 11:31 am
Ratios - Manhattan
by kop »
Initially, the men and women in a room were in the ratio of 4 : 5....
2
EXPERT REPLIES
Last post by theCodeToGMAT
Wed Jan 22, 2014 10:22 am
At a certain laboratory....
by dddanny2006 »
At a certain laboratory, chemical substances are identified by an...
4
EXPERT REPLIES
Last post by dddanny2006
Wed Jan 22, 2014 12:31 am
Order does not matter--multiply or divide
by 2mist »
Hi Brent, I am not sure how to put my doubt in words, but I hope you...
8
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Tue Jan 21, 2014 5:00 pm
GMATPrep Stamps
by Schrute Beets »
The number of stamps that Kaye and Alberto had were in the ratio 5:3...
24
Last post by GMATGuruNY
Tue Jan 21, 2014 3:16 pm
Combination
by parulmahajan89 »
Which is the correct expression for this problem? 8 students have...
2
EXPERT REPLIES
Last post by [email protected]
Tue Jan 21, 2014 1:03 pm
Coloured Marble -- Combination
by 2mist »
Q. In how many ways you can distribute 5 different coloured marbles...
1
Last post by GMATGuruNY
Tue Jan 21, 2014 12:38 pm
Marbles -- combination
by 2mist »
Q. In how many ways you can distribute 5 marbles in 3 identical...
1
Last post by GMATGuruNY
Tue Jan 21, 2014 12:29 pm
Total surface area
by borntobreaktherecord »
How to resolve this? Where there are three rectangles with the...
3
Last post by theCodeToGMAT
Tue Jan 21, 2014 9:56 am
To calcuate using weighted averages
by gmattesttaker2 »
Hello, Can you please tell me how to solve the following using...
2
Last post by GMATGuruNY
Tue Jan 21, 2014 5:33 am
Permutation and combination
by parveen110 »
There are 5 different boxes and 7 identical balls. All the balls are...
2
Last post by GMATGuruNY
Tue Jan 21, 2014 5:08 am
P & C
by parveen110 »
There are 5 different boxes and 7 different balls.All the balls are...
1
Last post by GMATGuruNY
Tue Jan 21, 2014 4:51 am
Permutation and combination
by parveen110 »
There are 5 identical boxes and 7 identical balls.All the balls are...
3
Last post by theCodeToGMAT
Tue Jan 21, 2014 2:17 am
To find the points outside the circle
by gmattesttaker2 »
Hello, Can you please assist with this? Which of the following points...
4
EXPERT REPLIES
Last post by [email protected]
Mon Jan 20, 2014 3:42 pm
A tank has both an inlet pipe and an outlet pipe
by guerrero »
A tank has both an inlet pipe and an outlet pipe. Working alone, the...
1
Last post by GMATGuruNY
Mon Jan 20, 2014 11:28 am
BODMAS
by stephny »
HI GUYS, KINDLY ASSIST 80-6(36+9)/1/4
4
EXPERT REPLIES
Last post by theCodeToGMAT
Sun Jan 19, 2014 10:39 pm
To find the percentage of employed women
by gmattesttaker2 »
Hello, Can you please assist with this: Sixty percent of the...
3
Last post by theCodeToGMAT
Sun Jan 19, 2014 10:20 pm
P&C
by parveen110 »
The number of all possible selections which a student can make for...
2
EXPERT REPLIES
Last post by parveen110
Sun Jan 19, 2014 8:32 pm
OG - Quant Review - PS - Q135
by vittovangind »
Hello, Is this problem we must divide $207/1.15. In order to do so,...
2
EXPERT REPLIES
Last post by GMATGuruNY
Sun Jan 19, 2014 2:22 pm
Fred age
by deepoe »
The sum of the ages of Doris and Fred is Y years. If Doris is 12...
4
Last post by dhlee922
Sun Jan 19, 2014 2:20 pm
Combinations
by parveen110 »
The total number of natural numbers of six digits that can be formed...
4
EXPERT REPLIES
Last post by GMATGuruNY
Sun Jan 19, 2014 1:43 pm
algebra
by stephny »
(2^3-1)(2^3+1)(2^6+1)(2^12+1)
2
EXPERT REPLIES
Last post by [email protected]
Sat Jan 18, 2014 4:32 pm
P&C..no. of integral solution
by parveen110 »
Hi, The number of integral solutions for the equation a+b+c+d=12,...
3
EXPERT REPLIES
Last post by GMATGuruNY
Sat Jan 18, 2014 1:28 pm
which cannot be the value
by BlueDragon2010 »
Which of the following CANNOT be a value of 1/(x-1) ? A) -1 B) 0 C)...
3
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Sat Jan 18, 2014 10:59 am
Basic P&C
by parveen110 »
Hi, There are five different caps and five different boxes. The...
1
Last post by Patrick_GMATFix
Fri Jan 17, 2014 8:45 pm
Cuckoo Prep Question
by Sanjeev k Sexena »
The bear alarm at Grizzly's Peak ski resort sounds an average...
1
Last post by GMATGuruNY
Fri Jan 17, 2014 1:57 pm
Please clarify my doubt
by dddanny2006 »
How many 2 element subsets can you make from the from the set...
4
Last post by dddanny2006
Thu Jan 16, 2014 12:16 pm
Sector income
by LulaBrazilia »
The table above represents the combined net income of all United...
2
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu Jan 16, 2014 8:48 am
Most likely range
by LulaBrazilia »
If a number between 0 and 1/2 is selected at random, which of the...
3
EXPERT REPLIES
Last post by Patrick_GMATFix
Thu Jan 16, 2014 8:33 am
BODMAS
by stephny »
80-6(36+9)
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Thu Jan 16, 2014 8:11 am
Solve for x: 0<|x|-4x<5 = ?
by vinni.k »
Solve for x: 0<|x|-4x<5 = ? A. x<0 B. 0<x<1 C....
8
Last post by vinni.k
Thu Jan 16, 2014 7:37 am
number system
by vipulgoyal »
If P*Q is the factor of m*P+n*Q, which of the following must be true?...
1
Last post by GMATGuruNY
Thu Jan 16, 2014 5:18 am