Question

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

• A. 5040
• B. 2540
• C. 5080
• D. 2520
• E. None of these

Answer 1

The correct option is D 2520

The word 'BANKING' consists of 7 letters in which 'N' comes twice.
$\therefore$ Number of arrangements $=\frac{7!}{2!}$
$=\frac{7\times 6\times 5\times 4\times 3\times 2}{2}=2520$