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Question

Let A = {0, 1} and N the set of all natural numbers. Then the mapping f:NA defined by
f(2n1)=0,f(2n)=1nϵN
is many-one onto.

A
True
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B
False
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Solution

The correct option is A True
Let A=0,1 and N the set of all natural numbers. Then the mapping f:NA defines by f(2n1)=0, f(2x)=1 n ϵ N is many-one onto. The above statement is absolutely true.

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