Search found 4 matches


Average Question. Really need Help..

If the average of 27-x, x-8, and 3x-11 is y, what is the average of 2y and 2y/3?

a. 4x+40
b. x+10
c. (8x+80)/3
d. (4x+40)/3
e. (2x+20)/3

Answer is D, But i am having hard time getting to the answer.
Thank you very much for your time and help.

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by younas

Tue Apr 06, 2010 1:09 pm
Forum: Problem Solving
Topic: Average Question. Really need Help..
Replies: 4
Views: 2927

Thank you very much guys this makes alot more sense now.

Once again thank you

by younas

Tue Apr 06, 2010 10:55 am
Forum: Problem Solving
Topic: x=8y (how many positive odd factors does y have?)
Replies: 3
Views: 5919

x=8y (how many positive odd factors does y have?)

Can some one explain me this problem, i have the solution but i am having hard time understanding it. if x=8y, where y is a prime number greater than 2,how many positive odd factors does y have? Solution: If y is a prime number greater than 2, it must be odd. Since 8=2x2x2, the only odd factor of x ...

by younas

Mon Apr 05, 2010 1:45 pm
Forum: Problem Solving
Topic: x=8y (how many positive odd factors does y have?)
Replies: 3
Views: 5919

Don't know what i am doing wrong on Verbal-Inference Q's- CR

Hello Guys, I am having an issue with Critical Reasoning, I can figure out the questions type right away. I get the Assumption and Weaken/strengthen ones right, But when it comes to Inference Question I get the wrong. Any Suggestion. P.S this is my first post on this forum, and i just want to say th...

by younas

Tue Mar 02, 2010 9:44 am
Forum: GMAT Strategy
Topic: Don't know what i am doing wrong on Verbal-Inference Q's- CR
Replies: 2
Views: 912