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The number of ways in which 10 candidate...

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

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D
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OBJECTIVE RD SHARMA ENGLISH-PERMUTATIONS AND COMBINATIONS-Exercise
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