Question

The number of ways in which 10 candidates `A_1,A_2, A_(10)` can be ranked such that `A_1` is always above `A_(10)` is a. `5!` b. `2(5!)` c. `10 !` d. `1/2(10 !)`
A. 5!
B. 2(5!)
C. 10!
D. none of these

Answer 1

Correct Answer - D