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Two difficult questions: Any genius can help
by guchi6601 »
q1: On a certain road, 10 percent of the motorists exceed the posted...
1
Last post by gaggleofgirls
Sun Feb 08, 2009 9:15 pm
Languages
by cartera »
In a club, there are 15 people, 1/3 can speak English, 2/5 can speak...
1
Last post by gaggleofgirls
Sun Feb 08, 2009 8:57 pm
Greatest prime factor
by bstalling »
What is the greatest prime factor of 4^17 - 2^28 a)2 B) 3 C) 5 D) 7...
1
Last post by gaggleofgirls
Sun Feb 08, 2009 8:17 pm
numbers between 1-100
by mariah »
114. How many numbers between 1 and 100 are not divisible by 2 and 3?...
9
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Last post by Alara533
Sun Feb 08, 2009 3:55 pm
Telling permutation problems from combinations problems
by cjb »
In the document downloadable from here: this question appears: 20. In...
4
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Last post by Ian Stewart
Sun Feb 08, 2009 1:15 pm
Statistical probability, help!
by ellexay »
Patrons at a certain restaurant can select two of three...
3
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Last post by Alara533
Sun Feb 08, 2009 12:29 pm
arrangement. HELP
by mariah »
How many ways are possible to arrange A, O, L, L, and P with two L...
16
EXPERT REPLIES
Last post by sureshbala
Sun Feb 08, 2009 11:40 am
absolute value
by mariah »
If x is nonzero, |x^2|/x=? I. x II. |x| III. x^2/x oa 1&3 why not...
3
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Last post by lunarpower
Sun Feb 08, 2009 9:37 am
Perfect square
by cartera »
n is a positive integer and also a perfect square, is the factors of...
4
EXPERT REPLIES
Last post by sureshbala
Sun Feb 08, 2009 9:32 am
Functions
by cartera »
2x+3y+4=0,4x+6y+a=0; what is the value of a when both...
2
Last post by dubeystuts
Sun Feb 08, 2009 3:48 am
slope (trickyy)
by mariah »
A line’s slope is between 5-10, and point (2,3) is on the line....
2
Last post by sureshbala
Sun Feb 08, 2009 1:45 am
value of n
by cartera »
1/ < 0.00625 < 1/ what is the value of n?
3
Last post by DanaJ
Sun Feb 08, 2009 1:37 am
prob
by mariah »
A jar contains 4 black marbles and 6 blue marbles. What is the...
1
Last post by DanaJ
Sat Feb 07, 2009 10:36 pm
s(n) pls helppp
by mariah »
S(n) is denoted that the number of the factors n has, for example...
4
EXPERT REPLIES
Last post by mariah
Sat Feb 07, 2009 3:29 pm
terminating decimal
by mariah »
106. Which of the following is terminating decimal? I.1/12 II.1/10^2...
14
Last post by mariah
Sat Feb 07, 2009 3:26 pm
(x) denotes least integer
by mariah »
232. is denoted to be the least integer greater than or equal to x....
3
Last post by mariah
Sat Feb 07, 2009 3:22 pm
geese rates!
by mariah »
Of a group of geese in a certain research, 30% is male, and 20% of...
2
Last post by mariah
Sat Feb 07, 2009 3:20 pm
Mod x
by maihuna »
If y is an integer defined below: y= |x| + X Is Y=0 a) x<0 b) y...
1
Last post by cramya
Sat Feb 07, 2009 10:14 am
hard calculation....
by willbeatthegmat »
Q-List the following in increasing order from left to right: 2^1/3,...
7
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Last post by jail
Sat Feb 07, 2009 9:43 am
Gmat Prep Please Help: Equal amount of water
by dubeystuts »
Equal amounts of water were poured into two empty jars of different...
4
Last post by dubeystuts
Sat Feb 07, 2009 9:19 am
Median
by nehakhas1 »
150, 200, 250, n Which of the following could be the median of the 4...
2
Last post by sureshbala
Sat Feb 07, 2009 8:27 am
percentages
by nehakhas1 »
A toy store’s gross profit on a computer game was 10 percent of the...
3
Last post by sureshbala
Sat Feb 07, 2009 8:17 am
am/pm
by mariah »
9:47(am) to 5:55 (pm) Smth. It takes me a bit long to calculate time...
1
Last post by DanaJ
Sat Feb 07, 2009 1:42 am
TV problem
by yalanand »
For every x TVs the factory makes, it costs 100x + 100sqrt(x) + 9000...
5
Last post by Vemuri
Fri Feb 06, 2009 11:21 pm
Exponents (with Fractions)
by relaxin99 »
(1/5)^m (1/4)^18 = 1/2(10)^35 what is the value of m? A)17 B)18 C)34...
2
Last post by Stuart@KaplanGMAT
Fri Feb 06, 2009 10:17 pm
combination (tough)
by mariah »
A professor will assign seven projects to three students. If two...
2
Last post by gaggleofgirls
Fri Feb 06, 2009 7:59 pm
combination or permutation?
by billzhao »
A group of 8 friends want to play double tennis. How many different...
3
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Last post by billzhao
Fri Feb 06, 2009 4:55 pm
Combinations
by ellexay »
Example: Assume you have 20 M&M's® color distributed as above....
2
Last post by Stuart@KaplanGMAT
Fri Feb 06, 2009 4:54 pm
ratios
by vladmire »
Whats the easiest way to figure out problems that involve miles,...
1
Last post by gaggleofgirls
Fri Feb 06, 2009 3:31 pm
An interesting probability problem
by billzhao »
Find the number of ways in which 4 boys and 4 girls can be seated...
4
Last post by Uri
Fri Feb 06, 2009 3:23 pm
isosceles triangle
by relaxin99 »
The perimeter of an isosceles triangle is 16 + 16squareroot2. What is...
5
Last post by gaggleofgirls
Fri Feb 06, 2009 2:31 pm
Rate
by moneyman »
Is it C?
7
Last post by coffee5251
Fri Feb 06, 2009 1:23 pm
Mixture problem, whats the best approach?? GMAT Prep
by blitz28 »
Three Grades of milk are 1%, 2% and 3% fat by volume. If x gallons of...
6
Last post by Stuart@KaplanGMAT
Fri Feb 06, 2009 11:03 am
Probability: OG-11 Ed
by Uri »
For events A, B and C P(A) = 0.23 P(B) = 0.40 P(C) = 0.85 Events A...
1
EXPERT REPLIES
Last post by Ian Stewart
Fri Feb 06, 2009 10:20 am
sequence prob
by raunekk »
Can anyone help me to bring this sequence in the variable form......
2
Last post by raunekk
Fri Feb 06, 2009 9:38 am
Reshma Salma and Mandip on a circle
by maihuna »
Three girls Reshma Salma and Mandip are playing a game by standing on...
9
Last post by maihuna
Fri Feb 06, 2009 9:12 am
Prob.
by marouan »
Hi All, easy but I stuck on it ! A certain compagny employs 6 senior...
4
Last post by marouan
Fri Feb 06, 2009 8:33 am
sequence (taught)
by mariah »
169.If An=200+0.2*A(n-1), and A1=200, A50 will fall in which of the...
6
EXPERT REPLIES
Last post by Uri
Fri Feb 06, 2009 7:33 am
the pies problem
by billzhao »
In a consumer survey, 85% of those surveyed liked at least one of...
5
Last post by billzhao
Fri Feb 06, 2009 3:22 am
How do you solve
by vladmire »
2/y + 4/y = 3
3
Last post by DanaJ
Fri Feb 06, 2009 1:53 am
a probability problem, who can help? Thanks!
by billzhao »
If the probability of rain on any given day in city x is 50%, what is...
4
Last post by billzhao
Thu Feb 05, 2009 11:28 pm
integers
by jkwan »
If 10^50 - 74 is written as an integer in base 10 notation, what is...
2
Last post by DanaJ
Thu Feb 05, 2009 11:10 pm
Gertrude and her grandmother's clocks
by refreshment »
Gertrude and her grandmother have 2 clocks with 12 digits. the 1st...
3
Last post by Alara533
Thu Feb 05, 2009 7:27 pm
OG Quant #132
by 480ocean »
A company that ships boxes to a total of 12 distribution centers uses...
4
Last post by 480ocean
Thu Feb 05, 2009 5:07 pm
Need help with the questions I got wrong
by rajshake »
I got these questions wrong, and can't figure out how to solve. Can...
1
Last post by gabriel
Thu Feb 05, 2009 3:29 pm
Multiples
by relaxin99 »
If n is a positive integer and the product of all the integers from 1...
4
Last post by Hopper39
Thu Feb 05, 2009 1:34 pm
work rate
by mariah »
Person A completed 1/4 of a certain work in two hours. Then A and B...
6
Last post by mariah
Thu Feb 05, 2009 1:26 pm
Furniture Purchased (Real Gmat Problem)
by relaxin99 »
A furniture dealer purchased a desk for $150 and then set the selling...
4
Last post by carllecat
Thu Feb 05, 2009 10:18 am
work/rate problem..
by willbeatthegmat »
Q- Machine A & Machine B can produce 1 widget in 3hrs working...
1
Last post by shulapa
Thu Feb 05, 2009 8:09 am
Is there a faster way to do this problem(p.155 qu.22 OG11th)
by jsoana »
22. If each of the following fractions were written as a repeating...
3
EXPERT REPLIES
Last post by raunekk
Thu Feb 05, 2009 2:38 am