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Probability
by harsh.champ »
In a box containing 15 apples, exactly 6 apples are rotten. Each day...
2
Last post by ajith
Sun Feb 07, 2010 12:12 pm
Sets
by harsh.champ »
Let S be the set of integers 4, 12, 20, 28, ……., 516 and S’ be...
2
Last post by sars72
Sun Feb 07, 2010 11:53 am
Averages
by harsh.champ »
On Madagascar Island, there are x dodos in a particular year. 30...
5
Last post by shashank.ism
Sun Feb 07, 2010 11:35 am
Word Problem
by Aman verma »
Q: Each family in New York county has atmost two adults and the total...
14
EXPERT REPLIES
Last post by Stuart@KaplanGMAT
Sun Feb 07, 2010 11:11 am
Sets
by harsh.champ »
Let T be the set of integers 3, 11, 19, 27,…451, 459, 467 and S be...
2
EXPERT REPLIES
Last post by ajith
Sun Feb 07, 2010 9:05 am
f(x) f(y)
by shashank.ism »
Let f(x) be a function satisfying f(x) f(y) = f(xy) for all real x,...
6
Last post by shashank.ism
Sun Feb 07, 2010 8:35 am
Profit,Loss and Discount
by harsh.champ »
A store owner plans to sell two types of MP3 players. One type costs...
2
Last post by ajith
Sun Feb 07, 2010 8:18 am
Circles
by harsh.champ »
The diameter of the smaller circle is equal to the side of the square...
2
Last post by ajith
Sun Feb 07, 2010 8:06 am
Geometry
by harsh.champ »
The area confined between the graphs |x| = |y| and |x| = a is...
2
Last post by ajith
Sun Feb 07, 2010 7:43 am
perfect squares
by harsh.champ »
Consider four digit numbers for which the first two digits are equal...
2
Last post by ajith
Sun Feb 07, 2010 7:37 am
algebraic expressions
by rahul.s »
in a used car lot, there are 3 times as many red cars as green cars....
5
Last post by shashank.ism
Sun Feb 07, 2010 6:52 am
calculate k
by shashank.ism »
If x + r = 1, p + 1 = n, r + n = k, r = 8 and x + p + k = 30, the...
5
Last post by shashank.ism
Sun Feb 07, 2010 6:47 am
Co - Ordinate Geometry
by abhi332 »
if point (m,n) is a point on line with equation y=f(x) . which if the...
4
Last post by ajith
Sun Feb 07, 2010 5:49 am
Factor
by shashank.ism »
Let P(x) = kx3 + 2k2x2 + k3. Find the sum of all possible real...
6
Last post by sunil_snath
Sun Feb 07, 2010 4:11 am
Dice
by shashank.ism »
A dice is rolled three times. Find the probability of getting a...
6
EXPERT REPLIES
Last post by shashank.ism
Sun Feb 07, 2010 2:29 am
Standard Deviation
by engg.manik »
Q.A certain characteristic in a large population has a distribution...
10
Last post by Stuart@KaplanGMAT
Sat Feb 06, 2010 8:27 pm
Compounded Interest
by money9111 »
Lori deposits $100 in a savings account at 2% interest, compounded...
4
Last post by Stuart@KaplanGMAT
Sat Feb 06, 2010 8:19 pm
A.P., G.P.
by shashank.ism »
If a1, a2, a3 are the first three terms of an arithmetic progression...
7
EXPERT REPLIES
Last post by Ian Stewart
Sat Feb 06, 2010 6:02 pm
Tic to tocs ratio problem
by kn2130 »
If 1 tick equals 3 tacs and 2 tacs equal 5 tocs, what is the ratio of...
4
Last post by kn2130
Sat Feb 06, 2010 1:11 pm
Units Digit
by money9111 »
What is the units digit of (2^5)(3^3)(4^2). How do you figure this...
4
Last post by money9111
Sat Feb 06, 2010 1:10 pm
permutation/combination
by shashank.ism »
An ‘n’ digit number is formed using the digits 3, 4, 5 and 6...
5
Last post by vscid
Sat Feb 06, 2010 1:01 pm
probability-horses
by vscid »
7
EXPERT REPLIES
Last post by vscid
Sat Feb 06, 2010 12:46 pm
a,b,c
by shashank.ism »
If (a^2)(b^3)(c) = 256/27 then find the minimum value of (a + b + c),...
1
Last post by outreach
Sat Feb 06, 2010 12:33 pm
Elemantary Probability
by Aman verma »
Q: If two consecutive letters are selected at random English Alphabet...
9
Last post by shashank.ism
Sat Feb 06, 2010 11:53 am
Permutation/Combination questions...
by TkNeo »
5 boys and 4 girls have to stand in a line such that no two girls are...
25
Last post by naveen9
Sat Feb 06, 2010 8:00 am
Arithmetic & Goemetric Progressions ?
by Aman verma »
Do they give Arithmetic or Geometric Progression questions on the...
15
EXPERT REPLIES
Last post by harsh.champ
Sat Feb 06, 2010 7:33 am
Find the distance
by shashank.ism »
Two boats start from the opposite banks of a river simultaneously....
2
Last post by shashank.ism
Sat Feb 06, 2010 5:33 am
number sys
by gmatnmein2010 »
For how many two digit positive numbers will tripling the tens digit...
3
Last post by shashank.ism
Sat Feb 06, 2010 4:58 am
Algebraic expression.
by bhumika.k.shah »
An operation θ is defined by the equation a θ b =a - b / a + b ,...
7
Last post by bhumika.k.shah
Sat Feb 06, 2010 3:22 am
Probability+Power+Divisibility rules
by harsh.champ »
If the integers m and n are chosen at random from integers from...
6
EXPERT REPLIES
Last post by Ian Stewart
Sat Feb 06, 2010 1:58 am
prbability
by gmatnmein2010 »
If an integer n is to be chosen at random from the integers 1 to 96,...
2
Last post by shashank.ism
Sat Feb 06, 2010 1:21 am
Probability + Power
by harsh.champ »
P is the number of ways of distributing 200 apples into five distinct...
3
Last post by Maze
Sat Feb 06, 2010 12:51 am
polynomial
by shashank.ism »
P(x) is a third degree polynomial and the coefficients of P(x) are...
1
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Fri Feb 05, 2010 11:16 pm
permutations
by vscid »
A family consisting of one mother, one father, two daughters and a...
1
Last post by ajith
Fri Feb 05, 2010 9:36 pm
Age calculation
by shashank.ism »
Queen Rudalfina died 181 years after Queen Nadali was born. Their...
6
Last post by zudecj
Fri Feb 05, 2010 1:11 pm
OG Problem Solving Question #11
by acrowson »
Hey guys, I am trying to figure out the solution (pg. 191) for...
3
EXPERT REPLIES
Last post by acrowson
Fri Feb 05, 2010 9:42 am
Samosas
by harsh.champ »
Davji shop sells samosas in boxes of different sizes. The samosas are...
6
Last post by Mom4MBA
Fri Feb 05, 2010 9:05 am
OG 12th edition - Q # 173
by bhumika.k.shah »
173. Which of the following describes all values of x for which 1 -...
1
Last post by ajith
Fri Feb 05, 2010 7:17 am
Perimeter
by harsh.champ »
The length of the side AB, BC and AC of a triangle ABC are 7, y and...
2
Last post by ajith
Fri Feb 05, 2010 6:51 am
OG 12 - Q 221 (Sets)
by rahul.s »
Of the 200 students at College T majoring in one or more of the...
3
Last post by harsh.champ
Fri Feb 05, 2010 5:31 am
Probability
by harsh.champ »
Two different teams with four students each were training for an...
2
Last post by ajith
Fri Feb 05, 2010 4:01 am
Power
by harsh.champ »
Find the number of pairs of positive integers (x, y) such that x^6 =...
2
Last post by ajith
Fri Feb 05, 2010 3:56 am
Combination problems
by onlyexternaluse »
1.) There are 9 staffs which would be assigned to 3 projects. 3...
8
Last post by kvamsy
Fri Feb 05, 2010 3:14 am
combination
by thephoenix »
Six mobsters have arrived at the theater for the premiere of the film...
5
Last post by thephoenix
Fri Feb 05, 2010 12:32 am
little confused
by stufigol »
From OG If n=4p, where p is a prime number greater than 2, how many...
4
Last post by ajith
Thu Feb 04, 2010 11:29 pm
nth term question
by harsh.champ »
The question is in the attachment file. The answer choices are...
3
EXPERT REPLIES
Last post by thephoenix
Thu Feb 04, 2010 10:38 pm
The average (arithmetic mean) of the 5 positive integers k,
by imane81 »
thanks for your help on this one... The average (arithmetic mean) of...
3
Last post by neelimareddym
Thu Feb 04, 2010 10:14 pm
Thief and diamonds
by harsh.champ »
A thief was stealing diamonds from a jewellery store. On his way out,...
4
Last post by neelimareddym
Thu Feb 04, 2010 10:11 pm
P & C
by harsh.champ »
Out of two -thirds of the total number of basket-ball matches, a team...
3
Last post by neelimareddym
Thu Feb 04, 2010 10:03 pm
Series & Progressions
by harsh.champ »
Consider the set S = 2, 3, 4, ...., 2n + l, where n is a positive...
4
Last post by neelimareddym
Thu Feb 04, 2010 9:54 pm