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Functions question

2020 · 5 Sep · Shift 2 · Q28

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JEE Main
Mathematics
Functions
2020 · 5 Sep · Shift 2 · Q28

Functions question

2020 · 5 Sep · Shift 2 · Q28

JEE MainMathematicsFunctionsNumerical+4 / −1

Let A = {a, b, c} and B = {1, 2, 3, 4}. Then the number of elements in the set C = {f : A

\to

B | 2

\in

f(A) and f is not one-one} is

\underline{\hspace{2cm}}

.

Numerical answer

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