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Maths TNSB Mentoring
Class 10
Relations and functions
Types of functions
3.
TBQ - Select the correct answer
Question:
1
m.
If \(f : A \rightarrow B\) is a bijective function and if \(n(B) = 7\), then \((n(A))\) is equal to:
\(49\)
\(14\)
\(7\)
\(1\)
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