A) 1680
B) 840
C) 560
D) 280
Correct Answer: A
Solution :
Total ways\[=\frac{9!}{{{(3!)}^{3}}}=\frac{9\times 8\times 7\times 6\times 5\times 4}{3\times 2\times 3\times 2}=1680\].You need to login to perform this action.
You will be redirected in
3 sec