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I : IF ""^(n+1) P(5) : ""^(n)P(5)=3...

I : IF ` ""^(n+1) P_(5) : ""^(n)P_(5)=3:2 ` then n=14 .
II . IF ` ""^(56)P_(r-6) : ""^(56)P_(r+3)=30800`: 1 then r= 41.

A

Only 1 is ture

B

only II is true

C

Both I and II are true

D

neither a nor II true

Text Solution

Verified by Experts

The correct Answer is:
C
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