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Six boys and six girls sit along a...

Six boys and six girls sit along a line alternately in x ways , and along a circle again alternatively in y ways then

A

x=y

B

y=12x

C

x=10y

D

x=12y

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1A (PERMUTATIONS )
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