(i) How many different words can be formed with letters of the word ‘SUNDAY’ ? (ii)How many of the words begin with N? (iii)How many begin with N and end Y?

Explanation

To solve the problem step by step, let's break it down into three parts as per the questions asked.

### (i) How many different words can be formed with letters of the word ‘SUNDAY’?

1. **Identify the letters**: The word "SUNDAY" consists of 6 distinct letters: S, U, N, D, A, Y.
2. **Calculate the total arrangements**: Since all letters are distinct, the total number of different arrangements (words) that can be formed is given by the factorial of the number of letters.

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