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Problem Solving

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Last post
coordinate geometry
by rahul.s »
the line represented by the equation x = y is the perpendicular...
5
Last post by shashank.ism
Thu Feb 11, 2010 10:10 am
male -female
by shashank.ism »
Consider 4 (dimensionless) flies, 2 males and 2 females. They are...
7
EXPERT REPLIES
Last post by shashank.ism
Thu Feb 11, 2010 9:56 am
Ajith
by shashank.ism »
Ajith needed to calculate the volume of a rectangular room. He...
2
Last post by ajith
Thu Feb 11, 2010 8:23 am
Combination
by mgmt_gmat »
53) 2 sizes of sticky pads. Each has 4 colors - Blue, Green,...
3
Last post by papgust
Thu Feb 11, 2010 8:18 am
Car and gas usage
by mgmt_gmat »
51) At 50 mph a car uses 1 gallon for every 30 miles. If the car...
3
Last post by shashank.ism
Thu Feb 11, 2010 6:51 am
Rate of Reaction
by mgmt_gmat »
43) The rate of a reaction is directly proportional to the square of...
1
Last post by ajith
Thu Feb 11, 2010 6:06 am
score
by shashank.ism »
A test has 50 questions. A student scores 1 mark for a correct...
3
Last post by sanjayism
Thu Feb 11, 2010 2:45 am
number system
by shashank.ism »
A man is going to a car auction. All purchases must be paid for in...
1
Last post by harsh.champ
Wed Feb 10, 2010 11:42 pm
a,b,c
by shashank.ism »
Three elements a, b and c are selected from the set A = 2, 3, 5, 6, 7...
4
Last post by harsh.champ
Wed Feb 10, 2010 11:26 pm
mensuration
by shashank.ism »
Balancing cards on one another where some are placed horizontally and...
4
Last post by harsh.champ
Wed Feb 10, 2010 10:45 pm
arithematic progression
by shashank.ism »
The sum of 3rd and 15th elements of an arithmetic progression is...
1
Last post by papgust
Wed Feb 10, 2010 10:06 pm
Colour
by shashank.ism »
Four circles having radius 1 cm, 2 cm, 3 cm and 4 cm intersect each...
1
Last post by harsh.champ
Wed Feb 10, 2010 9:45 pm
A certain farmer pays 30 usd
by imane81 »
Please help on this one. thank you A certain farmer pays 30 usd per...
2
Last post by ajith
Wed Feb 10, 2010 7:38 pm
Cargo ship
by shashank.ism »
A cargo ship circles a lighthouse at a distance 20 km with speed 1500...
2
Last post by Osirus@VeritasPrep
Wed Feb 10, 2010 1:44 pm
Dairy
by shashank.ism »
In "� Dairy", milk is processed to produce "� Pure...
7
Last post by money9111
Wed Feb 10, 2010 1:28 pm
Mensuration
by harsh.champ »
A closed wooden box of thickness 0.5 cm and length 21 cm, width 11...
2
Last post by shashank.ism
Wed Feb 10, 2010 12:11 pm
weighted average
by rahul.s »
a grocery store sells 2 varieties of jellybean jars, and each type of...
3
Last post by shashank.ism
Wed Feb 10, 2010 11:54 am
another weighted average problem
by rahul.s »
last year, all registered voters in country X voted for either A or...
4
Last post by shashank.ism
Wed Feb 10, 2010 10:36 am
quite an interesting question on divisibility by 13
by shashank.ism »
All the digits of a 50 digit positive number are 4 except for the nth...
2
Last post by shashank.ism
Wed Feb 10, 2010 10:18 am
jogging
by shashank.ism »
There are three runners viz , Nishant , Deepak and Mohit who jog on...
2
Last post by thephoenix
Wed Feb 10, 2010 9:44 am
KFC : Original Recipe Chicken Bucket
by Aman verma »
Q : Colonel Sanders once decided to distribute 180 Buckets of...
4
Last post by rohan_vus
Wed Feb 10, 2010 8:52 am
Function
by harsh.champ »
Suppose, the seed of any positive integer n is defined as follows:...
4
Last post by shashank.ism
Wed Feb 10, 2010 5:44 am
Shepherds
by harsh.champ »
At the end of year 1998, Shepard bought nine dozen goats. Henceforth,...
3
Last post by shashank.ism
Wed Feb 10, 2010 4:46 am
Number system
by harsh.champ »
If the product of n positive real numbers is unity, then their sum is...
5
Last post by shashank.ism
Wed Feb 10, 2010 4:30 am
Remainder problem
by ash_maverick »
If s and t are positive integer such that s/t=64.12, which of the...
7
Last post by shashank.ism
Wed Feb 10, 2010 3:00 am
integer
by shashank.ism »
If n is an integer from 1 to 96, what is the probability for...
2
EXPERT REPLIES
Last post by Ian Stewart
Wed Feb 10, 2010 12:51 am
triangle ABC
by shashank.ism »
In a triangle ABC, the lengths of the sides AB and AC equal 17.5 cm...
1
Last post by fibbonnaci
Wed Feb 10, 2010 12:39 am
sum
by shashank.ism »
The sum of the first n positive even integers is 79*80, where n is an...
1
Last post by fibbonnaci
Tue Feb 09, 2010 11:48 pm
Average/Rate Question
by soluja2003 »
It takes Carlos 9 minutes to drive from home to work at an average of...
3
Last post by viidyasagar
Tue Feb 09, 2010 7:42 pm
boats
by shashank.ism »
Two boats, traveling at 5 and 10 kms per hour, head directly towards...
2
Last post by Stuart@KaplanGMAT
Tue Feb 09, 2010 7:40 pm
AP GP
by shashank.ism »
The sum of 3rd and 15th elements of an arithmetic progression is...
1
Last post by papgust
Tue Feb 09, 2010 6:16 pm
sum
by shashank.ism »
If the sum of five consecutive positive integers is A, then the sum...
2
Last post by jeffedwards
Tue Feb 09, 2010 4:45 pm
√[2√63 + 2/(8+3√7)] =
by imane81 »
Couldn't find the answer for this one... please help, thank you...
2
Last post by frherndon
Tue Feb 09, 2010 3:46 pm
set S
by shashank.ism »
The set S has 5 elements. In how many ways can one select two...
2
Last post by ldoolitt
Tue Feb 09, 2010 3:18 pm
angle
by shashank.ism »
ABCD is a convex quadrilateral in which <(BAC) = <(CBD) = 30...
1
Last post by harsh.champ
Tue Feb 09, 2010 2:32 pm
chess
by shashank.ism »
N girls and 2N boys played a chess tournament. Every player played...
1
Last post by harsh.champ
Tue Feb 09, 2010 2:21 pm
triangle
by shashank.ism »
In a triangle ABC, the incircle touches the three sides AB, BC and CA...
1
Last post by harsh.champ
Tue Feb 09, 2010 2:18 pm
sum of series
by shashank.ism »
Assume the given sum of the series, 7.5 + 15.5 + 10.5 + 13.0 + 13.5 +...
1
Last post by harsh.champ
Tue Feb 09, 2010 2:02 pm
P
by shashank.ism »
Consider the set P = -5, -3, -1, 1, 3, 5.......
1
Last post by harsh.champ
Tue Feb 09, 2010 2:00 pm
integers
by shashank.ism »
How many integers exist such that not only are they multiples of...
4
Last post by harsh.champ
Tue Feb 09, 2010 1:42 pm
Circle
by shashank.ism »
A circle passes through the vertex C of rectangle ABCD and touches...
4
Last post by ldoolitt
Tue Feb 09, 2010 1:37 pm
Proportion
by manelgirona »
At a pet center 35 dogs of food are used in 6 days to feed 10 dogs....
3
Last post by harsh.champ
Tue Feb 09, 2010 1:22 pm
function
by shashank.ism »
Given that f(0) = 0, f(1) = 1 and f(2) = 1. If f(n) = f(n+1) -...
4
Last post by harsh.champ
Tue Feb 09, 2010 1:16 pm
Gautam
by shashank.ism »
Gautam decided to go to a temple only on first and the last day of a...
0
Last post by shashank.ism
Tue Feb 09, 2010 1:13 pm
time
by shashank.ism »
What is the maximum possible number of days in a single year, in...
0
Last post by shashank.ism
Tue Feb 09, 2010 1:12 pm
similar triangles
by rahul.s »
2 similar triangles have areas in the ratio of 9:1. what is the ratio...
6
Last post by harsh.champ
Tue Feb 09, 2010 1:10 pm
Sum of series
by harsh.champ »
Find the sum of the series S, where (A)13/3 (B)11/ 3 (C)25/ 6 (D)23...
3
EXPERT REPLIES
Last post by Ian Stewart
Tue Feb 09, 2010 1:08 pm
container
by shashank.ism »
A container contains pure orange juice. Harish mixes pure water equal...
1
Last post by money9111
Tue Feb 09, 2010 12:53 pm
height
by shashank.ism »
The height of an apple tree is given by the sum of two terms. The...
1
Last post by ajith
Tue Feb 09, 2010 12:09 pm
integer n
by shashank.ism »
Suppose n is an integer such that the sum of the digits of n is 2,...
3
Last post by harsh.champ
Tue Feb 09, 2010 12:08 pm
Target Test Prep
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Magoosh
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