In how many ways can the letters of the word ‘MOMENT’ be arranged?

Answer: Option A

There are six letters in the given word MOMENT and letter 'M' has come twice.
∴ Required number of ways
$$\begin{array}{rl}& =\frac{6!}{2!}\\ & =\frac{6\times 5\times 4\times 3\times 2\times 1}{2\times 1}\\ & =360\end{array}$$