In how many ways can the letters of the word ‘MOMENT’ be arranged?
Options:
A . 360
B . 60
C . 720
D . 120
Answer: Option A There are six letters in the given word MOMENT and letter 'M' has come twice. ∴ Required number of ways $$\eqalign{ & = \frac{{6!}}{{2!}} \cr & = \frac{{6 \times 5 \times 4 \times 3 \times 2 \times 1}}{{2 \times 1}} \cr & = 360 \cr} $$
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