Let A = {0, 1} and N the set of all natural numbers. Then the mapping f:N→A defined by f(2n−1)=0,f(2n)=1∀nϵN 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:N⟶A defines by f(2n−1)=0,f(2x)=1∀nϵN is many-one onto. The above statement is absolutely true.