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combination
by budetta4 »
if 3 boys and three girls must sit in a row of six chair but neither...
4
Last post by ajith
Wed Feb 17, 2010 3:31 am
Intermediate Probability
by Aman verma »
Q : Urn A contains six red and four black balls and Urn B contains...
8
Last post by Aman verma
Wed Feb 17, 2010 2:22 am
absolute value
by imane81 »
if absolute value(d-9) = 2d, then d= a. -9 b.-3 c.1 d.3 e.9 The right...
4
Last post by thephoenix
Tue Feb 16, 2010 9:05 pm
Member
by mgmt_gmat »
A certain club has 20 members. What is the ratio of the member of...
4
Last post by akahuja143
Tue Feb 16, 2010 8:59 pm
Sequence
by mgmt_gmat »
How many different 6-letter sequences are there that consist of 1 A,...
3
Last post by thephoenix
Tue Feb 16, 2010 8:46 pm
three-digit positive integer
by mgmt_gmat »
Of the three-digit positive integers that have no digits equal to...
5
Last post by thephoenix
Tue Feb 16, 2010 8:45 pm
sd
by gmatnmein2010 »
For a certain examination, a score of 58 was 2 standard deviations...
4
Last post by sadullaevd
Tue Feb 16, 2010 8:33 pm
P & C
by harsh.champ »
How many integers, greater than 999 but not greater than 4000, can be...
4
EXPERT REPLIES
Last post by komal
Tue Feb 16, 2010 7:44 pm
cards
by shashank.ism »
In how many ways can one choose 6 cards from a normal deck of cards...
8
EXPERT REPLIES
Last post by komal
Tue Feb 16, 2010 7:14 pm
NutsAndBolts
by shashank.ism »
In NutsAndBolts factory, one machine produces only nuts at the rate...
3
Last post by ajith
Tue Feb 16, 2010 2:07 pm
Mixture
by heshamelaziry »
Bob just filled his car's gas tank with 20 gallons of gasohol,...
6
Last post by amittilak
Tue Feb 16, 2010 1:16 pm
Number Series
by ahinye »
If S is a series of x consecutive odd integers and Z is the larget...
8
EXPERT REPLIES
Last post by amittilak
Tue Feb 16, 2010 12:21 pm
apple
by shashank.ism »
The height of an apple tree is given by the sum of two terms. The...
2
Last post by sars72
Tue Feb 16, 2010 12:18 pm
sd
by thephoenix »
Which of the following distribution of numbers has the greatest...
14
EXPERT REPLIES
Last post by Ian Stewart
Tue Feb 16, 2010 11:53 am
vodka
by shashank.ism »
Two kinds of Vodka are mixed in the ratio 1:2 and 2:1 and they are...
1
Last post by komal
Tue Feb 16, 2010 11:53 am
Square
by shashank.ism »
ABCD is a square of side 1 unit. P is a point on AB such that AP:PB =...
1
Last post by sars72
Tue Feb 16, 2010 11:52 am
X chocolate
by shashank.ism »
Mr. X bought 10 identical chocolates. He ate 2 chocolates and sold...
4
Last post by komal
Tue Feb 16, 2010 11:49 am
Absolute Area
by bigmonkey31 »
'If equation |x/2| + |y/2| = 5 encloses a region on the coordinate...
5
Last post by komal
Tue Feb 16, 2010 11:47 am
any shorter method to solve this
by anjaligeorge1 »
How many integers from 0 to 50, inclusive, have a remainder of 1 when...
14
EXPERT REPLIES
Last post by komal
Tue Feb 16, 2010 11:39 am
product
by shashank.ism »
Let P be the product of all natural numbers between 45 and 293 that...
5
EXPERT REPLIES
Last post by komal
Tue Feb 16, 2010 11:08 am
subsets
by shashank.ism »
How many different subsets of the set 10,14,17,24 are there that...
3
Last post by komal
Tue Feb 16, 2010 11:00 am
Exponents ; operations with rational #s
by bhumika.k.shah »
If t = 1/2^9 * 5^3 is expressed as a terminating decimal, how many...
9
Last post by komal
Tue Feb 16, 2010 10:22 am
perimeter
by shashank.ism »
The perimeter of an isosceles triangle is A cm and each of the two...
3
Last post by komal
Tue Feb 16, 2010 10:12 am
girls
by shashank.ism »
N girls and 2N boys played a chess tournament. Every player played...
2
Last post by komal
Tue Feb 16, 2010 10:09 am
Box
by shashank.ism »
A box has three drawers; one contains two gold coins, one contains...
6
EXPERT REPLIES
Last post by komal
Tue Feb 16, 2010 10:03 am
sequences
by resilient »
If S is the infinite sequence S1 = 6, S2 = 12, ..., Sn = Sn-1 +...
6
EXPERT REPLIES
Last post by komal
Tue Feb 16, 2010 9:05 am
function
by gmatnmein2010 »
The function f is defined for all positive integers n by the...
3
Last post by komal
Tue Feb 16, 2010 9:02 am
Locality
by shashank.ism »
Each family in a locality has at most two adults, and no family has...
2
Last post by komal
Tue Feb 16, 2010 8:50 am
divisibilty
by gmatmachoman »
The largest number amongst the following that will perfectly divide...
3
Last post by komal
Tue Feb 16, 2010 8:46 am
Probability
by sumanr84 »
Q. A lot of fifteen items contains five defective items. Two items...
3
Last post by komal
Tue Feb 16, 2010 8:32 am
number property
by gmatnmein2010 »
How many numbers that are not divisible by 6 divide evenly into...
2
Last post by komal
Tue Feb 16, 2010 8:29 am
word problem
by gmatnmein2010 »
This year Henry will save a certain amount of his income, and he will...
5
Last post by komal
Tue Feb 16, 2010 8:24 am
Population Growth-locust
by joyseychow »
The population of locusts in a certain swarm doubles every two hours....
5
Last post by komal
Tue Feb 16, 2010 8:22 am
Number properties
by Aman verma »
Q : At his birthday party Ethan invited his 100 friends and they took...
6
EXPERT REPLIES
Last post by Aman verma
Tue Feb 16, 2010 8:09 am
the reciprocal
by sanju09 »
Harmonic Mean of two numbers is the reciprocal of the Arithmetic Mean...
3
Last post by gmatmachoman
Tue Feb 16, 2010 6:46 am
florist (probability)
by rahul.s »
a florist has 2 roses, 3 buttercups, and 4 orchids. she puts 2...
5
Last post by kvamsy
Tue Feb 16, 2010 5:51 am
word problem
by gmatnmein2010 »
A certain quantity is measured on two different scales, the R-scale...
4
Last post by thephoenix
Tue Feb 16, 2010 3:45 am
sets
by rahul.s »
there are 3 country clubs in town: A, B and C. A has 300 members, B...
4
Last post by ajith
Tue Feb 16, 2010 2:03 am
square
by shashank.ism »
For how many integers n, n / (20-n) is the square of an integer? A) 0...
5
Last post by gmatmachoman
Tue Feb 16, 2010 1:11 am
Inequalities - GT & LT
by money9111 »
If (a^2)b>1 and b<2, which of the following could be the value...
8
Last post by papgust
Mon Feb 15, 2010 11:46 pm
productA
by shashank.ism »
g(P) represents the product of all the digits of P, e.g. g(45) = 4 x...
2
Last post by gmatmachoman
Mon Feb 15, 2010 11:28 pm
Age
by shashank.ism »
The age of the four friends namely Abhishek, Aman, Deepak and Dilshan...
8
EXPERT REPLIES
Last post by harsh.champ
Mon Feb 15, 2010 10:42 pm
Counting methods
by manelgirona »
A doctor must label 12 patients. Each label contains either a single...
4
Last post by Stuart@KaplanGMAT
Mon Feb 15, 2010 10:39 pm
Rationalizing Denominator
by ejose »
Hi - I tried searching for this one, but the notation makes it very...
5
Last post by vijay_venky
Mon Feb 15, 2010 10:30 pm
Z
by shashank.ism »
Consider a positive integer Z which when represented in decimal...
5
Last post by shashank.ism
Mon Feb 15, 2010 9:54 pm
rates
by manelgirona »
If 50 apprentices can finish a job in 4 hours and 30 skilled workers...
2
EXPERT REPLIES
Last post by shashank.ism
Mon Feb 15, 2010 9:33 pm
Proportion and velocity
by manelgirona »
If the distance required for an automobile to stop varies directly as...
3
Last post by shashank.ism
Mon Feb 15, 2010 9:25 pm
sd2
by gmatnmein2010 »
A certain characteristic in a large population has a distribution...
2
Last post by shashank.ism
Mon Feb 15, 2010 9:04 pm
value
by rahul.s »
if x is not = 0, then sqrt x^2/x = ? (A) -1 (B) 0 (C) 1 (D) x (E) |x|...
5
Last post by shashank.ism
Mon Feb 15, 2010 12:17 pm
Multiples
by gmatwriter »
Please Explain: Two hundred multiples of seven are chosen at random,...
3
Last post by shashank.ism
Mon Feb 15, 2010 10:58 am