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This might not be the proper way, but this is how I reached the answer.
Lowest number which is mulitple of 6 = 6
Higheset number which is multiple of 6 = 996

Taking average of both (6+996)/2 = 501

by psuv

Tue Aug 18, 2009 12:27 pm
Forum: Problem Solving
Topic: sounds so easy, yet so disturbing...
Replies: 12
Views: 1350

What is the value of a^-2 * b^-3 ? (1) a^-3 * b^-2 = 36^-1 (2) ab^-1 = 6^-1 Basically, we have to find value of 1/(a^2*b^3) Statement 1: a^-3 * b^-2 = 36^-1 gives 1/(a^3*b^2) = 1/36 not sufficient, still need to know value of a/b to reach the answer Statement 2: ab^-1 = 6^-1 gives a/b = 1/6 Not suff...

by psuv

Sat Aug 08, 2009 1:15 pm
Forum: Data Sufficiency
Topic: Value of a^-2 * b^-3
Replies: 4
Views: 2732

This is my first post on BTG.
I think the answer is D.. Please post the correct answer

by psuv

Fri Aug 07, 2009 10:57 am
Forum: Sentence Correction
Topic: American businesses
Replies: 13
Views: 3797