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

Question: In how many ways can the letters of the word ‘LEADER’ be arranged?
[A].

72

[B].

144

[C].

360

[D].

720

Answer: Option C

Explanation:

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

Required number of ways =	6!	= 360.
	(1!)(2!)(1!)(1!)(1!)

Video Explanation: https://youtu.be/2_2QukHfkYA