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A : the number of ways in which 5 b...

A : the number of ways in which 5 boys and 5 girls can be sit in a row so that all the girls sit together is 86400.
R : The number of ways in which m ( first type of different ) things and n ( second type of different things cna be arranged in a row so that all the second type of things come together is n ! ( m+ l) ! .

A

Both A and R are true and R is the correct explanation of A .

B

Both A and R are true but R is not correct exaplanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
A
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