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Functions question

2025 · 22 Jan · Shift 2 · Q41

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PYQ Library
JEE Main
Mathematics
Functions
2025 · 22 Jan · Shift 2 · Q41

Functions question

2025 · 22 Jan · Shift 2 · Q41

JEE MainMathematicsFunctionsMCQ+4 / −1

Let

\mathrm{A}=\{1,2,3,4\}

and

\mathrm{B}=\{1,4,9,16\}

. Then the number of many-one functions

f: \mathrm{A} \rightarrow \mathrm{B}

such that

1 \in f(\mathrm{~A})

is equal to :

A
151
B
139
C
163
D
127

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