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Natural numbers
by gmatkkvinu »
1 and 8 are the first two natural number for which 1+2+3+.........+n...
4
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Last post by sanjoy18
Fri Aug 30, 2013 8:56 am
Exponents
by vinay1983 »
/(96^2) (A) 3 (B) 6 (c) 9 (D) 12 (E) 18 OA is C I chose C. This is...
5
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Last post by Brent@GMATPrepNow
Fri Aug 30, 2013 7:09 am
arithmetic
by viskhot »
Q: √ = A. 8 + 3√7 B. 4 + 3√7 C. 8 D. 4 E. √7
2
Last post by GMATGuruNY
Fri Aug 30, 2013 1:13 am
uggh a tough one
by sana.noor »
The table below represents three sets of numbers with their...
4
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Last post by vipulgoyal
Fri Aug 30, 2013 12:40 am
number properties
by abhasjha »
There are 8436 steel balls, each with a radius of 1 cm stacked in a...
15
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Last post by sanjoy18
Thu Aug 29, 2013 11:58 am
students in a room:
by \'manpreet singh »
If 3 /7 of the students in a room are seniors and 7/25 of the other...
6
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Last post by Brent@GMATPrepNow
Thu Aug 29, 2013 9:59 am
luggage allowance
by abhasjha »
An airline has a certain free allowance and charges for excess...
4
Last post by abhasjha
Thu Aug 29, 2013 5:21 am
Combination and Permutation Manhattan
by Kaunteya »
Bill has a small deck of 12 playing cards made up of only 2 suits of...
20
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Last post by vipulgoyal
Wed Aug 28, 2013 10:46 pm
Today's question.. Thanks in advance!
by yumi2012 »
Which of the following numbers is not prime? (Hint: avoid actually...
3
Last post by ganeshrkamath
Wed Aug 28, 2013 9:44 pm
DS : Numbers 1
by Mission2012 »
If N different positive integers are added and the sum is denoted as...
3
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Last post by vinay1983
Wed Aug 28, 2013 9:28 pm
problem solving-
by nguyenduong »
Nine highschool boys gather at the gym for a game of mini-volleyball....
4
Last post by vinay1983
Wed Aug 28, 2013 9:27 pm
The 'moving walkway'
by sanju09 »
The 'moving walkway' is 300-foot long conveyor belt that moves...
3
Last post by ganeshrkamath
Wed Aug 28, 2013 10:40 am
Question on combined work rates
by stephkhaira »
Each of 10 machines works at the same constant rate. Together they...
4
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Last post by ganeshrkamath
Wed Aug 28, 2013 10:21 am
triangles most basic property
by viny »
just a silly small question sum of 2 sides of a triangle is > 3rd...
5
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Last post by sanju09
Tue Aug 27, 2013 11:28 pm
Digits, Numbers
by vinay1983 »
Of the 3 digit integers greater than 700, how many have 2 digits that...
4
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Last post by GMATGuruNY
Tue Aug 27, 2013 7:27 pm
Digits
by vinay1983 »
The question is from OG 13. Again what is the frequency of such...
3
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Last post by [email protected]
Tue Aug 27, 2013 11:40 am
Article on Inequalities Part 2
by abhijitlandge »
During GMAT exam, where time is precious, complicated inequalities...
0
Last post by abhijitlandge
Tue Aug 27, 2013 11:37 am
Article on Inequalities Part 1
by abhijitlandge »
During GMAT exam, where time is precious, complicated inequalities...
0
Last post by abhijitlandge
Tue Aug 27, 2013 11:35 am
Digits
by vinay1983 »
If d= 1/(2^3)*(5^7) is expressed as terminating decimal, how many non...
2
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Last post by [email protected]
Tue Aug 27, 2013 11:31 am
What is the area of a triangle created by the intersections
by guerrero »
What is the area of a triangle created by the intersections of the...
2
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Last post by [email protected]
Tue Aug 27, 2013 11:27 am
Choose 6 cards from a normal deck
by karmayogi »
20. In how many ways can one choose 6 cards from a normal deck of...
7
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Last post by dominhtri1995
Tue Aug 27, 2013 9:06 am
Yet another one on averages
by abhasjha »
Group A consist of x students and their total age is 221 and their...
3
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Last post by rairavig
Tue Aug 27, 2013 12:31 am
Altitude or median
by Deepthi Subbu »
Hi, Will the median or altitude divide a triangle in to 2 congruent...
1
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Last post by [email protected]
Mon Aug 26, 2013 11:36 pm
Discount
by Deepthi Subbu »
An item is first discounted by 1 percent and then discounted by 2...
2
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Last post by Deepthi Subbu
Mon Aug 26, 2013 10:32 pm
Question on combined work rates
by stephkhaira »
6 machines work at the same constant rate and it takes them 12 days...
3
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Last post by [email protected]
Mon Aug 26, 2013 9:38 pm
The graph above shows line H. Line J (not shown) does not
by Mike@Magoosh »
The graph in the attachment shows line H. Line J (not shown) does not...
1
Last post by ganeshrkamath
Mon Aug 26, 2013 8:55 pm
Question from IR Section
by stephkhaira »
This two-part analysis question appeared on the Integrated reasoning...
1
Last post by ganeshrkamath
Mon Aug 26, 2013 8:51 pm
Question on averages
by abhasjha »
The average runs scored by a batsman in a certain number of innings...
7
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Last post by vipulgoyal
Mon Aug 26, 2013 8:25 pm
Question on ratios
by stephkhaira »
The number of stamps Kyle had and the number of stamps Amy had were...
3
Last post by Uva@90
Mon Aug 26, 2013 8:24 pm
help on quant - several problems
by stephkhaira »
Help on these problems would be appreciated! 1) Loan X has a...
4
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Last post by Brent@GMATPrepNow
Mon Aug 26, 2013 6:51 pm
Combinations question
by stephkhaira »
Codes can be formed by 1, 2 or 3 letters from the 26-letter alphabet....
1
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Last post by Brent@GMATPrepNow
Mon Aug 26, 2013 6:45 pm
Percentage-Mixture
by vinay1983 »
A sample of 30 litres of petrol is found to be adulterated to the...
5
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Last post by mk101
Mon Aug 26, 2013 4:40 pm
Buses leave town B at 3 pm and every 10 hours after that
by guerrero »
Buses leave town B at 3 pm and every 10 hours after that buses leave...
1
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Last post by [email protected]
Mon Aug 26, 2013 12:10 pm
Position Selection
by vinay1983 »
A certain university will select I of 7 candidates eligible to fill a...
2
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Last post by [email protected]
Mon Aug 26, 2013 11:35 am
Another one on Averages
by abhasjha »
In a class of 100 students , the average age is 16 yrs. If the number...
2
Last post by abhasjha
Mon Aug 26, 2013 11:25 am
Researcher -Coding
by vinay1983 »
A researcher plans to identify each participant in a certain medical...
2
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Last post by Brent@GMATPrepNow
Mon Aug 26, 2013 6:39 am
Rate & work:-"A" alone can complete a work in
by vinni.k »
A alone can complete a work in 16 days and B alone in 12 days....
3
Last post by vinni.k
Mon Aug 26, 2013 6:34 am
Marbles and different pockets
by Mission2012 »
In how many ways 5 different marbles can be distributes in 3...
13
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Last post by Mission2012
Mon Aug 26, 2013 5:29 am
Manhattan - Italian Suits
by sparkles3144 »
The Italian size of a suit jacket is N centimeters, where N is the...
3
Last post by GMATGuruNY
Mon Aug 26, 2013 3:49 am
Probability need help
by Winner2013 »
On a biased dice,any even number appears four times as frequently as...
5
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Last post by ganeshrkamath
Sun Aug 25, 2013 9:26 pm
Another coordinates question?
by yumi2012 »
The line represented by equation y=x is the perpendicular bisector of...
2
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Last post by Brent@GMATPrepNow
Sun Aug 25, 2013 9:54 am
help
by sana.noor »
The rate of a certain chemical reaction is directly proportional to...
3
Last post by George7
Sun Aug 25, 2013 9:30 am
Need help with this too!
by yumi2012 »
What are the coordinates for the point on Line AB (see figure) that...
2
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Last post by Brent@GMATPrepNow
Sun Aug 25, 2013 8:49 am
What is 'x' in the diagram below?
by yumi2012 »
Can you help?
1
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Last post by Brent@GMATPrepNow
Sun Aug 25, 2013 6:50 am
Solution for PS question #100 from OG 13
by syashveersingh »
Need a simpler solution for the following question from OG 13, as I...
2
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Last post by Brent@GMATPrepNow
Sun Aug 25, 2013 6:20 am
3 appears how many times?
by vinay1983 »
How many times will the digit 3 be written while numbering the pages...
2
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Last post by Brent@GMATPrepNow
Sun Aug 25, 2013 5:49 am
In x + 2 years (Plug in ans approach)
by melguy »
Hello I want to solve this problem by plugging in back the answer...
2
Last post by GMATGuruNY
Sun Aug 25, 2013 3:41 am
Median problem
by psm12se »
4, 8, 12, y, 5, 10, 15 If y is a positive integer such that 3 < y...
6
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Last post by suk123
Sat Aug 24, 2013 6:00 pm
Ages:
by \'manpreet singh »
Joan, Kylie, Lillian, and Miriam all celebrate their birthdays today....
6
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Last post by ani781
Sat Aug 24, 2013 6:49 am
Confusing PS question
by rishianand7 »
If the integer X is rounded to the nearest hundred, the result...
1
Last post by GMATGuruNY
Sat Aug 24, 2013 4:01 am