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In how many different ways can the letters of the word SMART be arranged?
Answer & Solution
Correct Answer:
Option
E
The given word contains 5 letters, all different.
∴ Required number of ways
$$\eqalign{ & = {}^5{P_5} \cr & = 5! \cr & = \left( {5 \times 4 \times 3 \times 2 \times 1} \right) \cr & = 120 \cr} $$
∴ Required number of ways
$$\eqalign{ & = {}^5{P_5} \cr & = 5! \cr & = \left( {5 \times 4 \times 3 \times 2 \times 1} \right) \cr & = 120 \cr} $$
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