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the bus begins its route
by sanju09 »
The number of passengers on a certain bus at any given time is given...
3
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Last post by Anurag@Gurome
Thu Mar 03, 2011 5:53 am
Ratio Problem
by capthan »
Linda earns $24,000 in June, July, and August. The ratio of June to...
2
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Last post by GMATGuruNY
Thu Mar 03, 2011 3:51 am
Ratio-Problem Solving Please help
by amomin »
The ratio, by volume, of soap to alcohol to water in a certain...
1
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Last post by Anurag@Gurome
Thu Mar 03, 2011 2:46 am
Remainder
by yellowho »
Random question here. What is the remainder of 15/20? Would it be 15?...
3
Last post by yellowho
Thu Mar 03, 2011 1:02 am
Sum of Integers
by Thouraya »
Does this always hold true? n(n+1) /2 is for the sum of first n...
7
Last post by Thouraya
Thu Mar 03, 2011 1:01 am
PS question of OG 10 questions
by alltimeacheiver »
Ques 438 which of the following cannot be median of three positive...
1
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Last post by Anurag@Gurome
Wed Mar 02, 2011 10:44 pm
Infinite Sequence
by dtweah »
The infinite sequence a1, a2,…, an,… is such that a1 = 2, a2 =...
4
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Last post by Anurag@Gurome
Wed Mar 02, 2011 7:28 pm
DS and Coordinate Geometry
by chuotsmart »
OG 12 edition, DS section 149. In the rectangular coordinate system...
6
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Last post by lunarpower
Wed Mar 02, 2011 10:42 am
700 level question
by saurabhkamal1981 »
Source BTG practice question - 700 level question Hi All, Please...
3
Last post by saurabhkamal1981
Wed Mar 02, 2011 10:00 am
r = 100 {√ [(v + q)/p]} – 1
by sanju09 »
An investor purchased a bond for p dollars on Monday. For a certain...
2
Last post by manpsingh87
Wed Mar 02, 2011 9:38 am
Difficulties with Absolute Value
by garuhape »
I thought that I do not have any probs with absolute value questions,...
2
Last post by fskilnik@GMATH
Wed Mar 02, 2011 7:06 am
Sum of all 3-digit numbers
by money9111 »
Here's another: What is the sum of all possible 3-digit numbers that...
11
Last post by Thouraya
Wed Mar 02, 2011 4:39 am
Combo.
by yellowho »
In how many ways can 6 identical coins be distributed among Alex, Bea...
5
Last post by anshumishra
Wed Mar 02, 2011 3:54 am
Difficult geometry problem
by garuhape »
I'm not sure how to solve it. The explanation is very difficult. I...
7
Last post by Night reader
Wed Mar 02, 2011 3:41 am
energy in an industrial town
by sanju09 »
The cost of electric energy in an industrial town is $3 per unit for...
4
Last post by maihuna
Wed Mar 02, 2011 3:14 am
kerosene oil is put in
by sanju09 »
A vessel contains 180 liters of petrol. 60 liters are taken out of...
5
Last post by sanju09
Wed Mar 02, 2011 2:15 am
backyard is twice
by sanju09 »
The length of a rectangular backyard is twice its breadth. A square...
2
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Last post by Anurag@Gurome
Wed Mar 02, 2011 2:15 am
two old cars
by sanju09 »
Ian purchased two old cars for $5000. He sold the first at 12 percent...
5
Last post by BarryLi
Wed Mar 02, 2011 2:09 am
What does it mean by clock being late/early
by ez2dj86 »
Hello, I remember seeing this context on GMAT PS somewhere but cannot...
2
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Last post by ez2dj86
Wed Mar 02, 2011 1:31 am
Set Theory challenge
by gig92 »
1) In a referendum about three proposals, 78% of the people were...
21
Last post by Rabeea
Tue Mar 01, 2011 11:54 pm
Arrangements
by yellowho »
A man has 7 different pets and wishes to photograph 3 at a time. How...
2
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Last post by Night reader
Tue Mar 01, 2011 9:48 pm
Summation
by yellowho »
9+19+29+39+49+ . . . +979+989+999= Is there a way to do this with...
2
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Last post by GMATGuruNY
Tue Mar 01, 2011 9:14 pm
Probablity Question
by Utkarsh86 »
Suppose that 2 dices are tossed. For each dice it is equally likely...
9
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Last post by Anurag@Gurome
Tue Mar 01, 2011 7:29 pm
Ratio
by yellowho »
I think, we've all seen the accidentally doubling a portion of a...
6
Last post by Tani
Tue Mar 01, 2011 5:51 pm
distribute shirts, how?
by gig92 »
In how many different ways can 3 identical green shirts and 3...
5
Last post by jk2010
Tue Mar 01, 2011 3:23 pm
og ps 234
by parisfr67 »
Official Guide Problem Solving Question 234: Question: In a certain...
11
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Last post by Stuart@KaplanGMAT
Tue Mar 01, 2011 11:29 am
Equilateral triangle ABC is inscribed in a circle
by recko2430 »
Can anyone help with this question Equilateral triangle ABC is...
6
Last post by GMATGuruNY
Tue Mar 01, 2011 9:42 am
Arcs
by Thouraya »
Hi, When would an arc equal double the angle, and when would it equal...
7
Last post by Rich@VeritasPrep
Tue Mar 01, 2011 9:12 am
Kap1 Q3- Number Prop
by yellowho »
I'm I doing something wrong here. Since 9 is a factor of 2x, X has to...
5
Last post by yellowho
Tue Mar 01, 2011 6:13 am
Remainder
by yellowho »
When X is divided by Y what is the remainder if x=(y+2)^2? (y is...
3
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Last post by HSPA
Tue Mar 01, 2011 12:28 am
Equation
by yellowho »
What is the value of x^2 + y^2 ? (1) x^2 + y^2 = 2xy + 1 (2) x^2 +...
10
Last post by sanju09
Mon Feb 28, 2011 10:59 pm
probability
by jainrahul1985 »
Set T consists of all points (x,y) such that x^2+y^2 =1 . If point...
5
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Last post by HSPA
Mon Feb 28, 2011 10:01 pm
profit/loss Help Required
by anuu »
A milk vendor sells milk at Cost Price but still gains 20%. Find the...
2
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Last post by Anurag@Gurome
Mon Feb 28, 2011 7:13 pm
800score.com overlapping set problem
by HPengineer »
In a 100 unit dormitory building, 75 dorm rooms have at least one DVD...
28
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Last post by lunarpower
Mon Feb 28, 2011 6:06 pm
og 12
by gmatapril »
194. In the rectangular coordinate system above, the line y = x is...
3
Last post by gmatapril
Mon Feb 28, 2011 12:52 pm
Cake
by yellowho »
A certain bakery sells six di¤erent-sized wedding cakes. Each cake...
6
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Last post by sanju09
Mon Feb 28, 2011 2:04 am
Factorial & Prime
by yellowho »
For any integer p greater than 1, &p& denotes the product of...
5
Last post by Geva@EconomistGMAT
Sun Feb 27, 2011 11:56 pm
Factorial and Primes
by gmatusa2010 »
How many primes between 6!+2 and 6!+6. Is there an quick way to do...
3
EXPERT REPLIES
Last post by yellowho
Sun Feb 27, 2011 11:11 pm
Overlapping sets (Experts please suggest)
by crimson2283 »
Can anybody please explain the approach to solving problems in...
2
Last post by GMATGuruNY
Sun Feb 27, 2011 4:01 pm
Quant 2nd Edition pg. 131 # 144
by OneTwoThreeFour »
For any integers n greater than 1, n! denotes the product of all the...
5
Last post by Night reader
Sun Feb 27, 2011 1:26 pm
PS Qn
by crimson2283 »
The price of T.V set is increased by 40 % of the cost price and then...
3
Last post by tomato1
Sun Feb 27, 2011 11:41 am
GMAT PREP - algebra/exponents
by aleph777 »
Had trouble with this one. I think you need to expand 3(2^13) to...
4
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Last post by aleph777
Sun Feb 27, 2011 7:50 am
students and newspapers
by stormier »
3. In a college of 300 students, every student reads 5 newspapers and...
3
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Last post by Anurag@Gurome
Sat Feb 26, 2011 10:09 pm
Reducing Exponents
by yellowho »
Ran across this on a problem X^(Y^4). Is there a way to reduce this...
5
EXPERT REPLIES
Last post by Anurag@Gurome
Sat Feb 26, 2011 9:55 pm
Standard Deviation
by gvosough »
thirty children acquired a total of 2700 baseball cards. if 16% had...
3
Last post by Night reader
Sat Feb 26, 2011 12:32 pm
PS Question
by crimson2283 »
If k is an integer and k^2 -4 > 45 , then which of the following...
5
Last post by GMATGuruNY
Sat Feb 26, 2011 12:16 pm
My brain is not working...
by thp510 »
x + 3 < n - 1 How do you turn the above equation into...
3
Last post by thp510
Sat Feb 26, 2011 9:16 am
Probability Q - Random Experiment
by sal_xcool »
In a certain random experiment, exactly one of the outcomes a, b, and...
5
Last post by sanju09
Sat Feb 26, 2011 3:14 am
Word Problem
by Aman verma »
Q: In an organisation, there are total 40 employees belonging to...
4
Last post by Aman verma
Sat Feb 26, 2011 1:50 am
Speed question - NYC to Lake House
by sal_xcool »
Andrew rides his bike at 15 miles per hour, and it takes him 5 hours...
6
Last post by sanju09
Sat Feb 26, 2011 12:41 am