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Question

Question: The number of ways in which 6 men can be arranged in a row so that three particular men are consecut...

The number of ways in which 6 men can be arranged in a row so that three particular men are consecutive, is

A

4P4

B

4P4×3P3

C

3P3×3P3

D

None of these

Answer

4P4×3P3

Explanation

Solution

Taking three particular men as a single unit we can arrange this unit and remaining three men in 4! ways. Also three particular men can be arranged themselves in 3! ways. Hence the total number of ways = 4! × 3!