In how many ways, the letters of the word 'BANKING' can be arranged ?
In how many ways, the letters of the word 'BANKING' can be arranged ?
A. 5040
B. 2540
C. 5080
D. 2520
Answer : D. 2520
Explanation:
Total letters = 7, but N has come twice.
So, the required number of arrangements
= 7! / 2!
= 7 × 6 × 5 × 4 × 3 × 2! / 2!
= 2520