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Difficult Math Question #15
by rajanyadav » Wed Jun 24, 2009 6:02 pm
Can someone please explain the problem $15 . Two couples and a single...
1
Last post by Robinmrtha
Wed Jun 24, 2009 7:18 pm
Wed Jun 24, 2009 7:18 pm
Of the following sums, which is greatest ?
by uptowngirl92 » Wed Jun 24, 2009 1:52 am
Of the following sums, which is greatest ? (A) 1/root 2 + 1/root 3+...
3
Last post by ssuarezo
Wed Jun 24, 2009 1:22 pm
Wed Jun 24, 2009 1:22 pm
maximum height
by apoorva.srivastva » Wed Jun 24, 2009 9:12 am
An object thrown directly upward is at a height of h feet after t...
4
Last post by apoorva.srivastva
Wed Jun 24, 2009 10:20 am
Wed Jun 24, 2009 10:20 am
tunnel entrance
by uptowngirl92 » Sun Jun 21, 2009 2:58 am
The figure above shows the shape of a tunnel entrance. If the curved...
21
Last post by rah_pandey
Wed Jun 24, 2009 4:09 am
Wed Jun 24, 2009 4:09 am
Can't seem to figure this question out
by mets3145 » Thu Jun 11, 2009 10:18 pm
If 27^n = 9^4 what's n? how do i isolate n?
7
Last post by pops
Tue Jun 23, 2009 9:24 pm
Tue Jun 23, 2009 9:24 pm
neither 3 nor 5
by aj5105 » Mon Jun 22, 2009 10:26 pm
How many integers from 1 to 1000 inclusive are divisible by neither 3...
4
Last post by pops
Tue Jun 23, 2009 9:00 pm
Tue Jun 23, 2009 9:00 pm
Any tips for finding the prime factorization 84,700 quickly?
by Gouman » Tue Jun 23, 2009 12:13 am
I tried searching but, I found no answers that satisfied me. Can...
6
Last post by Gouman
Tue Jun 23, 2009 8:21 pm
Tue Jun 23, 2009 8:21 pm
Geometry multi-step problem
by ctgambler » Tue Jun 23, 2009 6:50 pm
Here's a question that got me stuck...if you can answer it, please...
1
Last post by yogami
Tue Jun 23, 2009 7:38 pm
Tue Jun 23, 2009 7:38 pm
Princeton Probability
by maolivie » Mon Jul 09, 2007 12:44 pm
Five fair coins are tossed. What is the probability that exactly...
5
Last post by Stuart@KaplanGMAT
Tue Jun 23, 2009 10:55 am
Tue Jun 23, 2009 10:55 am
OG 11 # 20
by abhisheksimhadri » Mon Jun 22, 2009 5:33 pm
Hi, I found this Qn in OG -11 wierd. Qn # 20: Gives a line with 5...
3
Last post by mainin
Tue Jun 23, 2009 10:27 am
Tue Jun 23, 2009 10:27 am
OG 12 PS 148
by umaa » Tue Jun 23, 2009 8:55 am
If x, y and k are positive numbers such that + = k and if x<y,...
4
Last post by rah_pandey
Tue Jun 23, 2009 9:47 am
Tue Jun 23, 2009 9:47 am
Task Force
by bburton11 » Tue Jun 23, 2009 5:19 am
A 4-person task force is to be formed from 4 men and 3 women who work...
1
Last post by ssmiles08
Tue Jun 23, 2009 5:48 am
Tue Jun 23, 2009 5:48 am
OG11, Data Sufficiency, Question 69
by qwe12 » Tue Jun 23, 2009 1:08 am
Is OG11, Data Sufficiency, Question 69 solution A) wrong? Shouldnt...
1
Last post by dtweah
Tue Jun 23, 2009 4:20 am
Tue Jun 23, 2009 4:20 am
Prime factor of big numbers?
by imadummy » Thu Jul 31, 2008 9:18 am
What is the largest prime factor of 4^17 - 2^28? 1. 7
3
Last post by BlindVision
Tue Jun 23, 2009 12:39 am
Tue Jun 23, 2009 12:39 am
OG 12 PS 130
by umaa » Mon Jun 22, 2009 5:38 pm
Which of the following inequalities is an algebraic expression for...
5
Last post by tohellandback
Mon Jun 22, 2009 11:56 pm
Mon Jun 22, 2009 11:56 pm
Sum of even numbers
by muna_m » Fri Jun 19, 2009 12:16 pm
The sum of the even numbers between 1 and n is 79*80, where n is an...
5
Last post by zenithexe
Mon Jun 22, 2009 10:58 pm
Mon Jun 22, 2009 10:58 pm
Area-of-triangle
by kanha81 » Thu Jun 18, 2009 2:08 pm
As attached in the post, what is the area of triangle. Though simple...
7
Last post by artistocrat
Mon Jun 22, 2009 9:12 pm
Mon Jun 22, 2009 9:12 pm
water pumps
by LevelOne » Mon Jun 22, 2009 11:20 am
Two water pumps, working simultaneously at their respective constant...
6
Last post by pops
Mon Jun 22, 2009 9:09 pm
Mon Jun 22, 2009 9:09 pm
60!, no of 0's at tthe end
by rahulg83 » Mon Jun 22, 2009 12:23 pm
If 60! is written out as an integer, with how many consecutive 0’s...
2
Last post by pops
Mon Jun 22, 2009 9:04 pm
Mon Jun 22, 2009 9:04 pm
Nice Question...
by cramya » Sun Jun 21, 2009 6:16 pm
a, b, and c are positive integers. If a, b, and c are assembled into...
4
Last post by cramya
Mon Jun 22, 2009 3:49 pm
Mon Jun 22, 2009 3:49 pm
Can you solve this "Properties of Exponents" quest
by EbrahimHashem » Mon Jun 22, 2009 10:08 am
Which of the following is equal to 5^17 X 4^9? A. 2 X 10^13 B. 2 X...
6
Last post by Stuart@KaplanGMAT
Mon Jun 22, 2009 1:49 pm
Mon Jun 22, 2009 1:49 pm
Boat in Stream
by kidcorpo » Mon Jun 22, 2009 5:30 am
A man goes from city A to city B situated 60 kms apart by a boat. His...
6
Last post by kidcorpo
Mon Jun 22, 2009 11:58 am
Mon Jun 22, 2009 11:58 am
Calculate the greatest number of trees..help!!!
by apoorva.srivastva » Mon Jun 22, 2009 4:14 am
Based on this year's costs, an orchard grower budgets P dollars for...
3
Last post by ghacker
Mon Jun 22, 2009 7:21 am
Mon Jun 22, 2009 7:21 am
Test Prep Ratios
by vineetbatra » Sun Jun 21, 2009 4:30 pm
At a certain university, the ratio of the number of teaching...
6
Last post by kidcorpo
Mon Jun 22, 2009 5:57 am
Mon Jun 22, 2009 5:57 am
combinations
by ketkoag » Sat Jun 20, 2009 1:35 am
There are 6 boxes numbered 1, 2,....6. Each box is to be filled up...
2
Last post by ketkoag
Mon Jun 22, 2009 4:17 am
Mon Jun 22, 2009 4:17 am
Problem Solving
by bburton11 » Thu Jun 18, 2009 9:12 am
Two members of a club are to be selected to represent the club at a...
4
Last post by katz
Mon Jun 22, 2009 3:12 am
Mon Jun 22, 2009 3:12 am
double tennis
by ketkoag » Sat Jun 20, 2009 1:40 am
A group of 8 friends want to play double tennis. How many different...
5
Last post by ketkoag
Mon Jun 22, 2009 3:06 am
Mon Jun 22, 2009 3:06 am
Probability
by ketkoag » Sun Jun 21, 2009 1:28 am
In a xy-plane, eight points are given. If a point is selected at...
3
Last post by ketkoag
Mon Jun 22, 2009 3:02 am
Mon Jun 22, 2009 3:02 am
x&y algebra
by LevelOne » Sun Jun 21, 2009 1:04 pm
If xy=1, what is the value of 2^(x+y)^2/2^(x-y)^2? A. 2 B. 4 C. 8 D....
3
Last post by LevelOne
Mon Jun 22, 2009 12:32 am
Mon Jun 22, 2009 12:32 am
powers - anyone know how to do this?
by gmat_killer » Sun Jun 21, 2009 5:18 pm
Which of the following is equal to 5^17 x 4^9? A) 2 x 10^13 B) 2 x...
2
Last post by truplayer256
Sun Jun 21, 2009 5:36 pm
Sun Jun 21, 2009 5:36 pm
math question (anyone know how to solve)
by LSJK » Sat Jun 20, 2009 10:15 am
math question (anyone know how to solve): (1/5)^m * (1/4)^18 =...
6
Last post by BlindVision
Sun Jun 21, 2009 3:41 pm
Sun Jun 21, 2009 3:41 pm
permutation or combination?
by tohellandback » Sun Jun 21, 2009 7:49 am
A second grade class is writing reports on birds. The students'...
6
Last post by Ian Stewart
Sun Jun 21, 2009 12:22 pm
Sun Jun 21, 2009 12:22 pm
rates and production of fiber
by LevelOne » Sat Jun 20, 2009 10:36 pm
Machine A, operating alone at its constant rate, produces 500 feet of...
3
Last post by Ian Stewart
Sun Jun 21, 2009 11:55 am
Sun Jun 21, 2009 11:55 am
I do not understand the solution to this
by bfman » Sat Jun 20, 2009 1:29 pm
Hi Folks: Here is the question... John spends one-fourth of his...
9
Last post by bfman
Sun Jun 21, 2009 11:49 am
Sun Jun 21, 2009 11:49 am
crossing a bridge...
by LevelOne » Sun Jun 21, 2009 6:50 am
The toll for crossing a certain bridge is $0.75 each crossing....
2
Last post by LevelOne
Sun Jun 21, 2009 9:23 am
Sun Jun 21, 2009 9:23 am
2
Last post by rah_pandey
Sun Jun 21, 2009 9:00 am
Sun Jun 21, 2009 9:00 am
combinations basics
by resilient » Tue Mar 25, 2008 11:17 am
I am solving combinations and permutations but am stuck on small...
7
Last post by tohellandback
Sun Jun 21, 2009 8:05 am
Sun Jun 21, 2009 8:05 am
Combination vs Permutation
by nhai2003 » Sun Jun 21, 2009 4:09 am
A second grade class is writing reports on birds. The students'...
1
Last post by Neo2000
Sun Jun 21, 2009 7:42 am
Sun Jun 21, 2009 7:42 am
points A, B, C, D, and E
by uptowngirl92 » Sun Jun 21, 2009 2:54 am
points A, B, C, D, and E represent the five teams in a certain league...
1
Last post by rah_pandey
Sun Jun 21, 2009 3:16 am
Sun Jun 21, 2009 3:16 am