Question

How many ways the letters of the word ${}^{\prime }BANKIN{G}^{\prime }$ can be arranged?

• A. $5040$
• B. $2580$
• C. $5080$
• D. $2520$

Answer 1

Answer: (D)

$2520$

BANKING

There are $7$ numbers

But there are $2$ N's

Therefore number of ways of arrranging

$=\frac{7!}{2!}=\frac{7\times 6\times 5\times 4\times 3\times 2}{2}$

$=2520$ Ways