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10 persons among whom are A, B, C are to...

10 persons among whom are A, B, C are to speak at a function. The number of ways in which it can be done if A wants to speak before B and B wants to speak before C is

A

`10!//24`

B

`9!//6`

C

`10!//6`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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