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Ten persons, amongst whom are A, B and C...

Ten persons, amongst whom are A, B and C are to speak at function. Find number of ways in which it can be done if A wants to speak before B, and B wants to speak before C ?

A

10!

B

10!/6

C

10!/7!

D

10!/2!

Text Solution

Verified by Experts

The correct Answer is:
B
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