How many different 5-letter words can be constructed

How many different 5-letter words (with or without meaning) can be constructed using all the letters of the word 'DELHI' so that each word has to start with D and end with I?

1. 24
2. 18
3. 12
4. 6

Answer: D

Explanation

Positions of D and I are fixed.

So, E, L, H can be arranged in 3! = 3 × 2 × 1 = 6 ways.

• Exam Year: 2020