In how many different ways, the letters of the word 'INHALE' can be arranged?

A) 720

B) 360

C) 120

D) 650

Correct answer:
A) 720

Description for Correct answer:
The word 'INHALE' has 6 distinct letters.

Number of arrangements = n! = 6!
= 6 X 5 X 4 X 3 X 2 X 1 = 720


Please provide the error details in above question