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Symbol highest values

by karthikpandian19 » Wed Jan 04, 2012 9:38 pm
If A @ B = A+B if A > B, and A @ B = B - A if A < B, then which of the following is the highest for
(1/x @ 1/y) @ (1/y @ 1/x)

A. X = 1/2 and Y = 1/3
B. X = 1/3 and Y = 1/4
C. X = 1/4 and Y = 1/5
D. X = 1/5 and Y = 1/4
E. X = 1/4 and Y = 1/2
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Source: — Data Sufficiency |
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by sam2304 » Thu Jan 05, 2012 12:30 am
IMO A.

A, B, C are similar with LHS < RHS so first i went with calculating A for which i got 1 as the final value.
For B i got 2/3, so C will be less than that.

D, E its total subtraction as LHS > RHS and the value will definitely less than A. So no need to check those. Hope its right.
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