MCQ
If $n$ is a whole number such that $n + n = n$ then $n = ?$
  • A
    $1$
  • B
    $2$
  • C
    $3$
  • None of these

Answer

Correct option: D.
None of these
$n + n = n^2n = n$ Clearly $n = 0$, satisfies
So $n = 0$ is the final answer.

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