A function is surjective but not injective

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

A function f:A→Bf:A\to B is surjective but not injective. If ∣A∣=5|A|=5, which of the following could be ∣B∣|B|? (a) 66 (b) 55 (c) 22 (d) 88

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