CAT Quantitative Ability Questions | CAT Functions questions
CAT/1998
Question . 63
The following operations are defined for real numbers a # b = a + b if a and b both are positive else a # b = 1. a ∇ b = (ab)a+b if ab is positive else a ∇ b = 1.
(2 # 1)/(1 ∇ 2) =
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