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Problem Solving

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Last post
earnings
by madhur_ahuja »
In May Mrs Lee's earnings were 60 percent of Lees familys total...
4
Last post by ogbeni
Sat Sep 05, 2009 6:15 am
if x<0, then (-x|x|)^1/2 is what?
by ogbeni »
How do you solve this one?
6
Last post by ogbeni
Sat Sep 05, 2009 5:59 am
Combination problem
by fightthegmat »
Q]If a code word is defined to be a sequence of different letters...
4
Last post by Nermal
Sat Sep 05, 2009 4:50 am
All the employees
by CrackGMAC »
129. All the employees in a company are more than 20 years old. Is...
12
Last post by tom4lax
Fri Sep 04, 2009 5:46 pm
Combinations and letters
by Gdieterling »
Hello again, can't figure out why the OA is the OA ! OA is circled ;)
2
Last post by tom4lax
Fri Sep 04, 2009 5:31 pm
Geometry / Circle / Graphic approach
by Gdieterling »
Hello guys, See the attachment for the subject ! OA is circled ;-)
2
Last post by chetanojha
Fri Sep 04, 2009 1:46 pm
A certain square is to be drawn on a coordinate plane MGMAT
by doclkk »
A certain square is to be drawn on a coordinate plane. One of the...
1
Last post by bharathh
Fri Sep 04, 2009 10:12 am
A cone is cut off the up part
by CrackGMAC »
121. A cone is cut off the up part (The new plane should be parallel...
3
Last post by maihuna
Fri Sep 04, 2009 6:42 am
Inequalities
by sonaligmat »
Hello, I am a little confused about inequalities. Could someone...
3
Last post by sonaligmat
Fri Sep 04, 2009 5:31 am
Inequalities
by fruti_yum »
Is xy > x/y? (1) xy > 0 (2) y < 0 Need help on approach! OA...
6
Last post by blr_gmat_prep
Fri Sep 04, 2009 1:31 am
Difference between different types of brackets used
by winnerhere »
Whats the difference between square brackets,parenthesis and flower...
4
EXPERT REPLIES
Last post by DanaJ
Thu Sep 03, 2009 10:11 pm
Inequalities
by Gdieterling »
Hey guys, here is another one ! 0 < r < 1 < s < 2 Which...
7
Last post by gmatv09
Thu Sep 03, 2009 8:06 pm
investment
by hitmewithgmat »
If x dollars is invested at 10 percent for one year and y dollars is...
3
Last post by tom4lax
Thu Sep 03, 2009 6:55 pm
Price of Lunch
by okigbo »
The price of lunch for 15 people was $207.00 including a 15% gratuity...
4
Last post by okigbo
Thu Sep 03, 2009 5:29 pm
easy way
by blaster »
Which of the following fractions is equal ot the decimal 0.0625 A)...
2
EXPERT REPLIES
Last post by Ian Stewart
Thu Sep 03, 2009 2:29 pm
Powers
by Gdieterling »
Hello guys, This one had me wondering, as I thought it was an easy...
2
Last post by Gdieterling
Thu Sep 03, 2009 12:24 pm
equation of a line/region
by winnerhere »
The region covered by three lines 2x+y<=2 , -2x+y<=2 and...
4
Last post by kaulnikhil
Thu Sep 03, 2009 11:35 am
Gprep average books
by LFalken »
Can anyone show me how to arrive at the correct answer for this one?...
1
Last post by Gladiator
Thu Sep 03, 2009 9:31 am
logarithm
by winnerhere »
Is ln a X where 0<a<1 negative?
2
Last post by winnerhere
Thu Sep 03, 2009 8:16 am
coordinate geometry/probability
by Rajani »
1. In a xy plane at what 2 points dpes the line y = (x+a)(x+b)...
2
Last post by Rajani
Thu Sep 03, 2009 5:49 am
Reverse factoring
by cmr209 »
In simplifying I'm unsure of when to perform reverse factoring....
1
Last post by DanaJ
Thu Sep 03, 2009 5:01 am
question
by Atult718 »
Hey, Can anyone help me w/ this ?
2
Last post by kavitha.venkatesh
Thu Sep 03, 2009 2:11 am
sequences
by mkhanna »
Data sufficiency question Q) In the sequence: A(n) = A(n-1) + k;...
10
Last post by Matmasi
Wed Sep 02, 2009 12:58 pm
Simple order of opperation
by cmr209 »
Simple yet confused. So the question: 3(5 - 2^2) + 4^2 is showing the...
1
Last post by cmr209
Wed Sep 02, 2009 12:11 pm
AREA of 45-45-90 traingle
by hmboy17 »
45-45-90 traingle has a hypotenuse H then what is the area in terms...
6
Last post by iamaneophyte
Wed Sep 02, 2009 6:18 am
Try This- a good puzzle
by imhimanshu »
Of the science books in a certain supply room, 50 are on botany, 65...
6
Last post by Nermal
Wed Sep 02, 2009 5:11 am
Can you do this problem w/o any calculation?
by phaedrus82 »
Last year Manfred received 26 paychecks. Each of his first 6...
2
Last post by Stuart@KaplanGMAT
Tue Sep 01, 2009 7:28 pm
to halve or not to halve
by shahdevine »
Each day after an item is lost the probability of finding that item...
1
Last post by Stuart@KaplanGMAT
Tue Sep 01, 2009 7:16 pm
each quarter
by shahdevine »
At the end of each quarter-year the value of the stock of a...
8
Last post by Stuart@KaplanGMAT
Tue Sep 01, 2009 12:46 pm
Julianne worked for three straight hours grading tests.
by sanjib »
Julianne worked for three straight hours grading tests. If she graded...
1
Last post by Stuart@KaplanGMAT
Tue Sep 01, 2009 11:03 am
Please further explain MGMAT's explanation
by p2dski »
I could not figure this question out for the life of me. :roll: I...
5
Last post by gmatcoach
Tue Sep 01, 2009 8:15 am
Maths Question
by kauldheeraj »
I found this question in the difficult list of the quant questions,...
5
Last post by gmatcoach
Tue Sep 01, 2009 3:26 am
value of x
by shahab03 »
whats the easy way to do this problem?
4
Last post by littlekitty
Tue Sep 01, 2009 2:59 am
Integers remainder
by heshamelaziry »
WHEN THE POSITIVE INTEGER N IS DIVIDED BY 25, THE REMAINDER IS 13....
2
Last post by tohellandback
Tue Sep 01, 2009 12:03 am
gprep
by bstalling »
((2^(4-1))^2)/2^(3-2) Where am I going wrong... ((2^(4-1))^2) =...
4
Last post by hbabbar
Mon Aug 31, 2009 8:52 pm
gmat prep question - integers and functions
by gxj007 »
Can anyone explain how to come up with the solution fo this one....
1
Last post by deagez
Mon Aug 31, 2009 8:30 pm
faster way
by shahdevine »
What is the greatest value of n such that 7^n is a factor of 50! ?...
4
Last post by tohellandback
Mon Aug 31, 2009 7:35 pm
2^[(4-1)^2] / [2/^(3-2)]
by doclkk »
2^ / a. 2^8 b. 2^7 c. 2^6 d. 2^5 e. 2^4 OA ( A ) I disagree with OA....
1
Last post by tohellandback
Mon Aug 31, 2009 7:25 pm
tricky one
by rainmaker »
Please see the image for the question. Provide explanation for your...
2
Last post by tohellandback
Mon Aug 31, 2009 7:09 pm
X = ?
by nervesofsteel »
If x = 0 and x = sqrt(8xy-16y^2) , then, in terms of y, x = A. - 4y...
9
Last post by jerrykid
Mon Aug 31, 2009 7:06 pm
Some GMAT Prep questions
by aliona »
Problem 1 2+2+2^2+2^3+2^4+2^5+2^6 +2^7+ 2^8 = Correct answer: 2^9...
2
Last post by aliona
Mon Aug 31, 2009 5:19 pm
permutation
by iwill »
Guys, Please discuss this problem. Also please mention when we need...
1
Last post by praky_rules
Mon Aug 31, 2009 4:07 pm
value of expression
by shahab03 »
answer is E. but why is it not C.
1
Last post by larrybird
Mon Aug 31, 2009 2:18 pm
range for t
by shahdevine »
Which of the following expresses the range of possible values for t...
1
Last post by larrybird
Mon Aug 31, 2009 2:03 pm
Need help explaining an official answer explanation
by phaedrus82 »
Problem: 1) If x is an integer and y=3x+2, which of the following...
2
Last post by quant-master
Mon Aug 31, 2009 12:12 pm
permutation_concept
by iwill »
Guys, Can somebody explain the concept of box - letter concept. Q. In...
1
Last post by quant-master
Mon Aug 31, 2009 12:07 pm
value of M
by shahab03 »
whats the easy way to solve this one? thanks
1
Last post by quant-master
Mon Aug 31, 2009 12:03 pm
permutations & combinations
by mkhanna »
Q) A committee of 3 people is to be chosen from 4 married couples....
5
Last post by mkhanna
Mon Aug 31, 2009 8:30 am
Help with this Geometry and DS problem pls!
by larrybird »
Problem 1: In the figure (file attached), P and Q are on the circle...
3
Last post by larrybird
Mon Aug 31, 2009 7:24 am
gmat prep question - exponents
by gxj007 »
Can anyone help explain how to simplify this? thanks If(1/5)^M) X...
1
Last post by truplayer256
Sun Aug 30, 2009 3:36 pm
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