CAT Quantitative Ability Questions | CAT Functions questions
CAT/1996
Question . 70
A,S, M and D are functions of x and y, and they are defined as follows :
A (x, y) = x + y
S (x, y) = x – y
M (x, y) = xy
D (x, y) = x / y
where y ≠ 0.
What is the value of S[M(D(A(a, b),2), D(A(a, b),2)),M(D(S(a,b),2), D(S(a, b), 2))] ?
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