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Mean and Median
by rumy »
if a certain sample set has mean of 20 and Standard deviation of 3....
4
Last post by beatthegmatinsept
Wed Aug 11, 2010 7:59 am
X / |X| < X
by uptowngirl92 »
X / |X| < X . Which of the following must be true about integer X...
5
Last post by mohit11
Wed Aug 11, 2010 7:56 am
Exponents and Estimating
by aznmexicana »
Where would one start in solving this?? x^4+ y^4=100 then what is the...
6
Last post by arora007
Wed Aug 11, 2010 7:33 am
Sum of integers....Please help
by JeetGulia »
If x, y, and z are positive integers and 3x = 4y = 7z, then the least...
4
Last post by zareentaj
Wed Aug 11, 2010 4:41 am
Solve for x - y
by govind_raj_76 »
Solve for X - Y X + KY = 7 KX + Y - X = 10 A. (7-10K) / (1 + K+ K^2)...
6
Last post by zareentaj
Wed Aug 11, 2010 4:36 am
Siblings
by Jinglander »
In a room filled with 7 people, 4 have 1 sibling and 3 have two...
2
EXPERT REPLIES
Last post by sheelanadh
Wed Aug 11, 2010 4:24 am
ShortCut
by rashmi.kaushal »
Shortcut pl?
2
Last post by sheelanadh
Wed Aug 11, 2010 4:13 am
least distance problem-GMAT PREP
by rashmi.kaushal »
Can somebody explain pl ?
5
Last post by selango
Wed Aug 11, 2010 4:13 am
kindly explain me how to solve it............
by sheelanadh »
The equation formed by decreasing each root of ax^2+bx+c=0 by 1 is...
4
Last post by sheelanadh
Wed Aug 11, 2010 4:03 am
help me to solve it
by sheelanadh »
Find the sum of all five digit number that can be formed using the...
6
Last post by clock60
Wed Aug 11, 2010 3:03 am
OG12
by saurabhmahajan »
How to solve this is more easy way ? If x, y, and k are positive...
4
Last post by kevincanspain
Wed Aug 11, 2010 2:12 am
Median trouble
by mj78ind »
A good question, I found: Which of the following can not be the...
5
Last post by kvcpk
Wed Aug 11, 2010 1:54 am
then a =
by sanju09 »
If a + b - c = d, and if a - b + c = e, then a = (A) d...
3
Last post by likithae
Wed Aug 11, 2010 1:33 am
Area of Triangle ABD
by sairamGmat »
In the figure above, CE = 5, BD = 8, and the area of quadrilateral...
2
Last post by likithae
Wed Aug 11, 2010 1:22 am
Sequence Problem
by mba1986 »
S is the infinite sequence S1 = 2, S2 = 22, S3 = 222,...Sk =...
3
Last post by likithae
Wed Aug 11, 2010 1:17 am
Henry's spending
by saurabhmahajan »
This year Henry will save a certain amount of his income, and he will...
2
Last post by likithae
Wed Aug 11, 2010 1:12 am
Expected number
by rahul goyal »
4 bad apples accidentally got mixed up with 20 good apples. In a draw...
1
Last post by kvcpk
Wed Aug 11, 2010 1:03 am
Percentages
by askaichin »
A machine requires 480 ounces of oil everyday, and it is given a...
2
Last post by rahul goyal
Wed Aug 11, 2010 12:21 am
solve these ps question
by likithae »
Four boys picked up 30 mangoes .In how many ways can they divide them...
4
EXPERT REPLIES
Last post by likithae
Wed Aug 11, 2010 12:15 am
Multiplication with a twist
by mj78ind »
Let AB be a two digit number, AB*BA = CBCA, and A(A+C) = B, what is...
2
EXPERT REPLIES
Last post by mj78ind
Tue Aug 10, 2010 11:37 pm
wages earned
by gmatrix »
Three workers A, B, and C are hired for 4 days. The daily wages of...
2
EXPERT REPLIES
Last post by aarati
Tue Aug 10, 2010 11:37 pm
Number of quadratic expressions
by zareentaj »
The number of quadratic expressions with the coefficient drawn from...
1
Last post by vijayantj
Tue Aug 10, 2010 10:45 pm
prime & divisibility
by Gurpinder »
If n is an integer greater than 6, which of the following must be...
3
Last post by aarati
Tue Aug 10, 2010 10:39 pm
Require suggestion for best Geometry books - fundamentals
by winner's attitude »
Hi.. My gmat is due after three months and i have enough time to...
0
Last post by winner's attitude
Tue Aug 10, 2010 10:06 pm
Trains crashing
by Jinglander »
It takes the high-speed train x hours to travel the z miles from Town...
1
EXPERT REPLIES
Last post by Rahul@gurome
Tue Aug 10, 2010 8:21 pm
Varibles in answer choice
by Jinglander »
A family has a child every j years.  The oldest child is t years...
2
Last post by Jinglander
Tue Aug 10, 2010 6:06 pm
GMATPrep Test 1 - Surds problem
by anirban_lax »
Hi, I encountered this surds related problem while writing the Test 1...
5
EXPERT REPLIES
Last post by Rahul@gurome
Tue Aug 10, 2010 2:50 pm
OG 11 209 - Properties of numbers
by taim »
I know the answer to this problem, but I would like to know how to...
2
EXPERT REPLIES
Last post by Ian Stewart
Tue Aug 10, 2010 1:51 pm
Stupid Algerbra
by Jinglander »
I have to solve this for Y. Here are the steps that I took where did...
3
Last post by kvcpk
Tue Aug 10, 2010 11:56 am
How many positive integers less than 20 are ?
by Fokin »
Please, explain how to resolve this: How many positive integers less...
5
Last post by Brian@VeritasPrep
Tue Aug 10, 2010 11:35 am
albert and bob (work/rate)
by rahul.s »
Albert and Bob are painting rooms at constant, but different rates....
8
Last post by san2009
Tue Aug 10, 2010 10:32 am
kate and david
by gmatrix »
source-gmat club test Kate and David each have $ 10.Together they...
1
Last post by kmittal82
Tue Aug 10, 2010 10:02 am
21 white balls, 24 green balls and 32 blue balls
by arora007 »
In a jar there are 21 white balls, 24 green balls and 32 blue balls....
4
Last post by anirban_lax
Tue Aug 10, 2010 9:00 am
Bag of 9 letters
by surajgarg »
You have a bag of 9 letters: 3 Xs, 3 Ys and 3 Zs. You are given a box...
1
EXPERT REPLIES
Last post by Rahul@gurome
Tue Aug 10, 2010 8:56 am
help!
by jfrick90 »
I answered this question correctly but i was wondering what is the...
5
EXPERT REPLIES
Last post by Rahul@gurome
Tue Aug 10, 2010 8:09 am
all three are consecutive
by sanju09 »
If x < y < z and all three are consecutive non-zero integers,...
3
Last post by chris@veritasprep
Tue Aug 10, 2010 7:02 am
Probability and algebra
by emiflo »
Hi guys. This is a tricky one for me. If two of the four expressions...
5
EXPERT REPLIES
Last post by Rahul@gurome
Tue Aug 10, 2010 3:18 am
Permutation & Combination
by mba1986 »
A photographer will arrange 6 people of 6 different heights for...
4
Last post by sheelanadh
Tue Aug 10, 2010 3:18 am
challenging PS for me
by sarwan »
It is tough question for me , pls help to solve this. -------...
8
Last post by kvcpk
Tue Aug 10, 2010 3:15 am
Permutation Problem
by akpareek »
How many 3 digit number exist having exactly two 5's in them ? A. 24...
5
Last post by sheelanadh
Tue Aug 10, 2010 3:05 am
Gmat prep geometry
by rahulsaxena8 »
8
Last post by kvcpk
Tue Aug 10, 2010 2:34 am
Help me, for solve this problem
by rahul goyal »
Two consecutive sides of a parallelogram are 4x+5y=0 and 7x+2y=0. If...
2
Last post by likithae
Tue Aug 10, 2010 2:33 am
Exponents
by bmorgan »
5^21 x 4^11 = 2x10^n What is the value of n? I apologize; I forgot to...
4
Last post by likithae
Tue Aug 10, 2010 2:26 am
value of a - n + k?
by sanju09 »
(3 x + 2) (2 x - 5) = a x² + k x + n. What is the value of a - n +...
3
Last post by likithae
Tue Aug 10, 2010 2:10 am
Rectangle inscribed in a circle
by surajgarg »
In the xy-coordinate system, rectangle ABCD is inscribed within a...
4
Last post by zareentaj
Mon Aug 09, 2010 11:16 pm
Permutation Problem
by akpareek »
A= (0,1,2,3,4,5). how many 3 digit numbers can be made using digits...
3
Last post by aarati
Mon Aug 09, 2010 10:52 pm
how to solve this question
by zareentaj »
The centre of circle which touch the y-axis at (0,3) and making an...
4
Last post by kvcpk
Mon Aug 09, 2010 10:30 pm
Integers equally spaced on a line - help?
by saritalr »
This problem threw me off the first time around. Now I understand how...
6
Last post by selango
Mon Aug 09, 2010 4:33 pm
PERFECT ALGBRA
by emiflo »
sq root(9+ sq root 80) + sq root( 9- sq root 80) equals a. 1 b. 9- 4...
7
EXPERT REPLIES
Last post by Brent@GMATPrepNow
Mon Aug 09, 2010 12:28 pm
700 level Combo Question - need confirmation
by san2009 »
2 sizes of sticky pads. Each has 4 colors - Blue, Green, Yellow, and...
1
Last post by GMATGuruNY
Mon Aug 09, 2010 12:24 pm