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CAT 1993 — QA Question 37

MiscellaneousEasy
Passage / Data

The following functions have been defined for three numbers A, B and C:

@ (A, B) = average of A and B
*(A, B) = product of A and B
/(A, B) = A divided by B

Answer these questions with the above data.

The sum of A and B is given by

Answer & solution

  • *(@(A, B), 2)

  • B

    /(@(A, B), 2)

  • C

    @(*(A, B), 2)

  • D

    @(/(A, B), 2)

Solution

A + B = 2((A + B)/2) = 2(@(A, B)) = *(@(A, B), 2).

Hence, option (a).

CAT 1993 QA Q37: The sum of A and B is given by — Solution | TheCATExam