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

A    72

B    144

C    360

D    720

Solution

Correct Answer: Option C

 

The word 'LEADER' contains 6 letters, namely 1L, 2E, 1A, 1D and 1R.

Required number of ways= 6!/ (1!)(2!)(1!)(1!)(1!)

                                      = 360

 

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