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Several math probs, pls help to explain me, 600+
by tracyyahoo » Mon Oct 03, 2011 11:01 pm
(1) The average ( arithematic mean) cost per book for the 12 books on...
9
Last post by shankar.ashwin
Tue Oct 04, 2011 10:43 am
Tue Oct 04, 2011 10:43 am
Permuations
by sparkle6 » Mon Oct 03, 2011 6:42 am
A family consisting of one mother, one father, two daughters and a...
6
Last post by Brent@GMATPrepNow
Tue Oct 04, 2011 10:27 am
Tue Oct 04, 2011 10:27 am
Factor Problem
by sparkle6 » Tue Oct 04, 2011 6:16 am
The greatest common factor of 16 and the positive integer n is 4, and...
2
Last post by sunilrawat
Tue Oct 04, 2011 6:51 am
Tue Oct 04, 2011 6:51 am
Tough PS <Experts Please Help>
by voodoo_child » Tue Oct 04, 2011 3:53 am
If a 5-year construction project is structured to double the...
3
Last post by GMAT_1986_subha
Tue Oct 04, 2011 6:45 am
Tue Oct 04, 2011 6:45 am
0 is added to the number
by sanju09 » Tue Oct 04, 2011 5:25 am
If 0 is added to the number equal to the average (arithmetic mean) of...
3
Last post by Brent@GMATPrepNow
Tue Oct 04, 2011 6:23 am
Tue Oct 04, 2011 6:23 am
Advanced Counting
by knight247 » Tue Oct 04, 2011 1:10 am
A password to a certain database consists of digits that cannot be...
3
Last post by GmatKiss
Tue Oct 04, 2011 5:04 am
Tue Oct 04, 2011 5:04 am
Parallel Lines
by dev.gavande » Mon Oct 03, 2011 10:17 pm
Which of the following lines is parallel to line x = 1.44 - 3y ? y =...
3
Last post by dev.gavande
Mon Oct 03, 2011 11:16 pm
Mon Oct 03, 2011 11:16 pm
Probability Question
by seema19 » Mon Oct 03, 2011 10:57 pm
A box contains 12 bulbs, of which 4 are defective. 3 bulbs are...
2
Last post by knight247
Mon Oct 03, 2011 11:07 pm
Mon Oct 03, 2011 11:07 pm
Basic combinatorics
by razorback » Mon Oct 03, 2011 5:59 pm
Book 4 from MGMAT... A British spy is trying to escape from his...
4
Last post by razorback
Mon Oct 03, 2011 10:12 pm
Mon Oct 03, 2011 10:12 pm
Which statement is true
by Xeb » Mon Oct 03, 2011 4:18 am
If n and k are integers whose product is 400, which of the following...
4
Last post by Anurag@Gurome
Mon Oct 03, 2011 9:14 pm
Mon Oct 03, 2011 9:14 pm
Kaplan Test - Combo problem
by adi_800 » Sun Oct 02, 2011 1:16 am
How many circles can be drawn on the line segment if each circle is...
3
Last post by Brent@GMATPrepNow
Mon Oct 03, 2011 12:21 pm
Mon Oct 03, 2011 12:21 pm
If s is the product of the integers from 100 to 200 ....
by factor26 » Sun Oct 02, 2011 11:34 am
If s is the product of the integers from 100 to 200 inclusive, and if...
5
Last post by GMATGuruNY
Mon Oct 03, 2011 11:58 am
Mon Oct 03, 2011 11:58 am
Inequalities
by shrey2287 » Mon Oct 03, 2011 5:14 am
Which of the following inequalities when mapped on a number line is a...
5
Last post by shrey2287
Mon Oct 03, 2011 10:59 am
Mon Oct 03, 2011 10:59 am
Combinations
by sparkle6 » Mon Oct 03, 2011 6:41 am
The Carson family will purchase three used cars. There are two models...
2
Last post by gmatboost
Mon Oct 03, 2011 10:08 am
Mon Oct 03, 2011 10:08 am
Slot Method Only Please
by knight247 » Sun Oct 02, 2011 9:48 am
How many words can be formed by taking 4 letters at a time out of...
15
Last post by gmatboost
Mon Oct 03, 2011 9:52 am
Mon Oct 03, 2011 9:52 am
number tricks
by Cheese12 » Mon Oct 03, 2011 8:31 am
Of all the three-digit integers greater than 700, how many have two...
2
Last post by GmatMathPro
Mon Oct 03, 2011 8:45 am
Mon Oct 03, 2011 8:45 am
Coordinate Geometry
by sparkle6 » Mon Oct 03, 2011 6:39 am
A certain square is to be drawn on a coordinate plane. One of the...
2
Last post by sl750
Mon Oct 03, 2011 8:42 am
Mon Oct 03, 2011 8:42 am
zeros
by sunilrawat » Mon Oct 03, 2011 7:38 am
If 60! is written out as an integer, with how many consecutive...
4
Last post by sunilrawat
Mon Oct 03, 2011 8:02 am
Mon Oct 03, 2011 8:02 am
Probability
by sparkle6 » Mon Oct 03, 2011 6:43 am
A small company employs 3 men and 5 women. If a team of 4 employees...
2
Last post by Brent@GMATPrepNow
Mon Oct 03, 2011 6:57 am
Mon Oct 03, 2011 6:57 am
Percentiles
by rnaah » Mon Oct 03, 2011 12:34 am
A student scored the 90th percentile out of 80 grades in her class....
2
Last post by GMATGuruNY
Mon Oct 03, 2011 5:00 am
Mon Oct 03, 2011 5:00 am
What's wrong with the Question? Motel Rooms
by Xeb » Mon Oct 03, 2011 3:31 am
On a Saturday night, each of the rooms at a certain motel was rented...
2
Last post by GMATGuruNY
Mon Oct 03, 2011 3:45 am
Mon Oct 03, 2011 3:45 am
Percentage problem
by seema19 » Sun Oct 02, 2011 9:00 am
An alloy of gold and silver weighs 50 gms. It contains 80% gold. How...
6
Last post by GMATGuruNY
Mon Oct 03, 2011 2:52 am
Mon Oct 03, 2011 2:52 am
a necklace is made by stringing n individual beads....
by factor26 » Sat Oct 01, 2011 7:25 am
a necklace is made by stringing n individual beads together in the...
6
Last post by mad2011
Mon Oct 03, 2011 1:16 am
Mon Oct 03, 2011 1:16 am
Prime Factors
by sparkle6 » Mon Oct 03, 2011 12:56 am
What is greatest prime factor of 417 - 228? a. 2 b. 3 c. 5 d....
1
Last post by shankar.ashwin
Mon Oct 03, 2011 1:00 am
Mon Oct 03, 2011 1:00 am
Friends want to play tennis
by ashish1354 » Sat Sep 20, 2008 4:53 am
A group of 8 friends want to play doubles tennis. How many different...
3
Last post by LalaB
Sun Oct 02, 2011 10:24 pm
Sun Oct 02, 2011 10:24 pm
MGMAT problem
by Redhorsep » Sat Oct 01, 2011 10:41 am
Hi, I don't really understand the MGMAT explanation for this problem,...
4
Last post by rooster
Sun Oct 02, 2011 9:50 pm
Sun Oct 02, 2011 9:50 pm
Percentage problem
by seema19 » Sun Oct 02, 2011 10:47 am
The quantity of water (in ml) needed to reduce 9 ml shaving lotion...
4
Last post by narenkr
Sun Oct 02, 2011 6:57 pm
Sun Oct 02, 2011 6:57 pm
Number Props
by rnaah » Sat Oct 01, 2011 1:49 am
For every positive even integer n, h(n) is defined as the product of...
2
Last post by sl750
Sun Oct 02, 2011 8:34 am
Sun Oct 02, 2011 8:34 am
Purple balls
by Cheese12 » Sun Oct 02, 2011 6:57 am
In a certain game, a large bag is filled with blue, green, purple and...
4
Last post by knight247
Sun Oct 02, 2011 8:24 am
Sun Oct 02, 2011 8:24 am
pls help
by tracyyahoo » Sun Oct 02, 2011 5:45 am
The sum of the first k positive integers is equal to k(k+1)/2. What...
3
Last post by GMATGuruNY
Sun Oct 02, 2011 8:09 am
Sun Oct 02, 2011 8:09 am
Compound interest
by Cheese12 » Sun Oct 02, 2011 12:30 am
A certain investment grows at an annual interest rate of 8%,...
4
Last post by GMATGuruNY
Sun Oct 02, 2011 3:23 am
Sun Oct 02, 2011 3:23 am
GMAT prep weighted average problem
by Redhorsep » Sat Oct 01, 2011 12:58 pm
Hi, I wonder if you can use alligation method to solve this problem?...
1
Last post by GMATGuruNY
Sat Oct 01, 2011 3:24 pm
Sat Oct 01, 2011 3:24 pm
slot method
by sunilrawat » Sat Oct 01, 2011 10:00 am
Can somebody please explain what exactly is the slot method? I have...
1
Last post by GmatMathPro
Sat Oct 01, 2011 11:29 am
Sat Oct 01, 2011 11:29 am
GmatMathPro Problem
by kakz » Sat Oct 01, 2011 5:20 am
Alicia purchases three different rings that can each be worn on any...
3
Last post by Brent@GMATPrepNow
Sat Oct 01, 2011 5:57 am
Sat Oct 01, 2011 5:57 am
simultaneus machine work
by rnaah » Sat Oct 01, 2011 1:53 am
Pumps A, B, and C are used to fill a particular pool. Working...
2
Last post by GMATGuruNY
Sat Oct 01, 2011 4:10 am
Sat Oct 01, 2011 4:10 am
Slight Variation of a different problem
by knight247 » Fri Sep 30, 2011 10:55 pm
In how many different ways can the letters A,A,B,B,B,C,D be arranged...
2
Last post by GmatMathPro
Fri Sep 30, 2011 11:20 pm
Fri Sep 30, 2011 11:20 pm
Series manipulation
by rnaah » Fri Sep 30, 2011 2:45 am
In the series a1+a2+a3+....+an each term is either 7 or 77 and the...
3
Last post by phoenix111
Fri Sep 30, 2011 10:40 pm
Fri Sep 30, 2011 10:40 pm
Doubts - (GMAT Prep - Quant Ques)
by sudhanshu99 » Fri Sep 30, 2011 9:51 pm
Guys, I found difficulty in solving the following GMAT Prep PS &...
5
Last post by Anurag@Gurome
Fri Sep 30, 2011 10:25 pm
Fri Sep 30, 2011 10:25 pm
Tricky Counting
by knight247 » Fri Sep 30, 2011 3:33 am
Mrs. Smith has been given film vouchers. Each voucher allows the...
3
Last post by phoenix111
Fri Sep 30, 2011 10:23 pm
Fri Sep 30, 2011 10:23 pm
Pls help, chart prob.
by tracyyahoo » Fri Sep 30, 2011 9:54 pm
Age Category (in years) Number of Employees Less than...
2
Last post by phoenix111
Fri Sep 30, 2011 10:14 pm
Fri Sep 30, 2011 10:14 pm
Number Crunching
by rnaah » Fri Sep 30, 2011 2:48 am
if x^4 + y^4 = 100, then the greatest possible value of x is between...
1
Last post by Anurag@Gurome
Fri Sep 30, 2011 4:34 am
Fri Sep 30, 2011 4:34 am
Number properties
by rnaah » Fri Sep 30, 2011 2:42 am
If n and y are positive integers and 450y = n^3, which of the...
1
Last post by Anurag@Gurome
Fri Sep 30, 2011 4:32 am
Fri Sep 30, 2011 4:32 am
OG 12th Edition--Problem Solving by Topic
by Courtney.Murphy22 » Thu Sep 29, 2011 5:35 pm
So I signed up for the BeattheGMAT 60day review, and have been...
0
Last post by Courtney.Murphy22
Thu Sep 29, 2011 5:35 pm
Thu Sep 29, 2011 5:35 pm
Coordinate Geometry
by Darya_NYC » Sun Sep 25, 2011 6:43 pm
I read the explanation of this problem in the book (The Princeton...
6
Last post by Darya_NYC
Thu Sep 29, 2011 5:28 pm
Thu Sep 29, 2011 5:28 pm
Series calculation
by rnaah » Thu Sep 29, 2011 6:05 am
Starting with 0, a mathematician labels every non-negative integer as...
5
Last post by GMATGuruNY
Thu Sep 29, 2011 1:37 pm
Thu Sep 29, 2011 1:37 pm
GMAT function problem
by m_aspirant » Wed Sep 28, 2011 10:00 am
I can't seem to understand how to solve following function problem...
5
Last post by GMATGuruNY
Thu Sep 29, 2011 1:32 pm
Thu Sep 29, 2011 1:32 pm
Probability
by knight247 » Thu Sep 29, 2011 11:58 am
if x^2 + y^2 = r^2 is the equation of the circle with centre as...
6
Last post by GMATGuruNY
Thu Sep 29, 2011 1:25 pm
Thu Sep 29, 2011 1:25 pm
