Mathematics · 2020
JEE Main · 6 September 2020, Shift 2 · Q70
Consider the statement: "For an integer n, if n^3-1 is even, then n is odd." The contrapositive statement of this statement is:
Consider the statement : "For an integer n, if $\displaystyle \mathrm{n}^3-1$ is even, then n is odd." The contrapositive statement of this statement is :
Official answer
(1)
For an integer n, if n is even, then $\displaystyle \mathrm{n}^3-1$ is odd.
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JEE Main 2020 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.