Latest NDA Aptitude Question SOLUTION: Let N be the set of natural numbers and f : N → N be a function given by f(x) = x + 1 for x ∈ N. Which one of the following is correct ? (a) f is one-one and onto (b) f is one-

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(#M40026589) NDA question Mental Ability Keep an EYE

Let N be the set of natural numbers and f : N → N be a function given by f(x) = x + 1 for x ∈ N. Which one
of the following is correct ?
(a) f is one-one and onto (b) f is one-one but not onto
(c) f is only onto (d) f is neither one-one nor onto

Asked In NDA MAN (10 years ago)

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