6 boys and 6 girls sit in row at random....

6 boys and 6 girls sit in row at random. the probability that all the girls sit together is a. `1/(432)` b. `(12)/(431)` c. `1/(132)` d. none of these

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The correct Answer is:

(i) `(1)/(132)` (ii) `(1)/(462)`

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