with given averages comparison find no. of terms paper test

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ifthyder: Master | Next Rank: 500 Posts; Posts: 118; Joined: Fri Apr 18, 2008 4:58 am; Thanked: 1 times

by ifthyder » Wed Sep 17, 2008 4:55 am

what has avearages comparison got to do with number of numbers ?

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Source: Beat The GMAT — Data Sufficiency | Wed Sep 17, 2008 4:55 am

cubicle_bound_misfit: Master | Next Rank: 500 Posts; Posts: 246; Joined: Mon May 19, 2008 7:34 am; Location: Texaco Gas Station; Thanked: 7 times

by cubicle_bound_misfit » Wed Sep 17, 2008 5:46 am

I think it is C

the equation ,it boils down to

(29.7-26.6)Y = (26.6-25.7)x

==> 3.1Y=.9x

x approx = 3y

hence answer is yes and can be found by combining both.

Cubicle Bound Misfit

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