Search found 226 matches

by ern5231

Tue May 18, 2010 5:55 am
Forum: Problem Solving
Topic: 343) mm^3 to m^3 conversion
Replies: 1
Views: 1586

341) Find area of triangle

A rectangle ABCD has vertex E(of a triangle) on side AD. The other vertices of triangle, G and F, lie on the edge BC. The area of the rectangle is 24.What is the area of triangle GEF.
1) DC = 4, 2) GF = 1/3BC

by ern5231

Tue May 18, 2010 5:45 am
Forum: Data Sufficiency
Topic: 341) Find area of triangle
Replies: 3
Views: 808

198) How Much Speed

A person takes 18 minutes to run 5 kms. The first two kilometers are run at 20 km/hr. what is the average speed for remaining 3 km?

My answer is working out to be 15 km/hr. Can anyone confirm?

by ern5231

Mon May 17, 2010 1:45 am
Forum: Problem Solving
Topic: 198) How Much Speed
Replies: 1
Views: 1025

I think there has been a mistake in understanding the question. i have edited it. It should be clear now

by ern5231

Sun May 16, 2010 11:45 pm
Forum: Data Sufficiency
Topic: 161) What is the value of K
Replies: 4
Views: 901

123) Is x<0?

x<y. Is x<0?
1) x^2>y^2
2) x ^ 3> y ^ 3

by ern5231

Sun May 16, 2010 9:21 pm
Forum: Data Sufficiency
Topic: 123) Is x<0?
Replies: 3
Views: 791

113) Tough PS

A group of numbers has range 18 and mean 13. Distance of mean from large number is two times the distance from smallest number. What is the maximum number?

This question has no options. The question is taken from a higher secondary mathematics book.

by ern5231

Sun May 16, 2010 8:54 pm
Forum: Problem Solving
Topic: 113) Tough PS
Replies: 2
Views: 988

112) What is the area of the shaded region

In the figure shown, each side of the square has the length 1m. What is the area of the shaded regoin.

I am sorry i don't have the options.
Image

by ern5231

Sun May 16, 2010 8:50 pm
Forum: Problem Solving
Topic: 112) What is the area of the shaded region
Replies: 5
Views: 1103

108) Find X

X^4 has 4 in the units place. What is the value of X?
A. X is not divisible by 2
B. X is divisible by 3

by ern5231

Sun May 16, 2010 8:36 pm
Forum: Data Sufficiency
Topic: 108) Find X
Replies: 2
Views: 754
by ern5231

Sun May 16, 2010 7:31 pm
Forum: Data Sufficiency
Topic: 90) Sum of consecutive integers
Replies: 4
Views: 955

I think the options provided don't suffice the problem well. But, how do we work on such problems?

by ern5231

Sun May 16, 2010 6:56 pm
Forum: Problem Solving
Topic: 83) Median wage
Replies: 6
Views: 1022
by ern5231

Sun May 16, 2010 6:26 pm
Forum: Problem Solving
Topic: 78) Prime and Factor
Replies: 2
Views: 937

67) is n divisible

X,Y,Z are consecutive integers. N = x + y + z . Is N divisible by 10?
(1) x + z is a multiple of 10
(2) y is a multiple of 10

by ern5231

Sun May 16, 2010 5:36 pm
Forum: Data Sufficiency
Topic: 67) is n divisible
Replies: 16
Views: 2343
by ern5231

Sun May 16, 2010 4:57 pm
Forum: Problem Solving
Topic: 63) What is the area of the park?
Replies: 6
Views: 1018

Also does not work out when x=2 and y=-1

by ern5231

Sun May 16, 2010 12:45 am
Forum: Data Sufficiency
Topic: 41) MOD DS
Replies: 7
Views: 1556