Functions

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(CAT 2000)

A, B and C are three numbers. Let
@ (A, B) = Average of A and B,
/ (A, B) = Product of A and B, and
× (A, B) = The result of dividing A by B.

1. The sum of A and B is given by
a. / (@ (A, B), 2)
b. × (@ (A, B), 2)
c. @ (/ A, B), 2)
d. @ (× (A, B), 2)

2. Average of A, B and C is given by
a. @ (/ (@ (/ (B, A), 2), C), 3)
b. × (@ (/ (@ (B, A), 3), C), 2)
c. / (×(× (@ (B, A), 2), C), 3)
d. / (× (@ (/ (@ (B, A) 2), C), 3), 2)

For answers click here.

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