CAT 2019 Slot 2 QA Q10 Functions & Graphs

Question 10 of the Quantitative Ability (QA) section, CAT 2019 Slot 2, with CAT's official answer.

Let f be a function such that f (mn) = f (m) f (n) for every positive integers m and n. If f (1), f (2) and f (3) are positive integers, f (1) < f (2), and f (24) = 54, then f (18) equals [TITA]

TITA: type in the answer. There are no options and no negative marking.

Answer: 12 Functions & Graphs TITA

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Same concept in other years

See every question on Multiplicative functional equations: evaluate at prime powers.

More Functions & Graphs questions from CAT

All 23 Functions & Graphs questions asked since 2017.