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Re: The distance between two points is X - Master GMAT [#permalink]
07 Mar 2012, 18:34
The distance between two points is X. The number of inches in X is equal to the square root of the number of feet in X (1 foot =12 inches.) What is the length of X, in inches?
(a) 144 (b) 12 (c) 1 (d) 1/12 (e) 1/144
Have problems understanding this question... Please Help!!!
I'll post the official explanation below.
Here is Master GMAT's explanation... I couldn't really follow their steps... I kept getting (a)
If X is 1/12 inches long, there are [(1/12)inches /12] = [1/144]ft in X. Since (1/12) = Sqrt(1/144) the number of inches is equal to the square root of the number of feet in X, and this is the correct answer.
Re: The distance between two points is X. The number of inches [#permalink]
01 Sep 2014, 05:54
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