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

A : the number of ways in which 5 boys and 5 girls can sit in a row so that the boys and girls sit alternatively is 28800 .
R : the number of ways in which n ( first type of differernt ) things and n ( second type of different ) things cna be arranged in a row alternatively is `2 xx n! xx n! `,

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

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The correct Answer is:
A
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