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tmua.fyi Mock Paper 2 · Q16

Paper 2Logic & proofNumber & counting

Consider the statement about an integer nn: ‘if n2n^2 is even then nn is even’. Which of the following is its contrapositive?

AIf nn is even then n2n^2 is even.
BIf nn is odd then n2n^2 is odd.
CIf n2n^2 is odd then nn is odd.
DIf nn is odd then n2n^2 is even.
EIf n2n^2 is even then nn is odd.

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