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PAGE: 199SET: ExercisesPROBLEM: 35
Please look in your text book for this problem Statement

Find probability that the boys are seated next to each other.

In a movie theater,  boys and girls are randomly seated together in a row.

Probability of  boys are not seated next to each other.

In this arrangement first of all arrange girls in ways.

The arrangement is _girl_girl_girl_.

Now placing the boys beside the girls seated.

boys can be seated in places beside the girls is  ways.

Probability of  boys are not seated next to each other is .

Use formula .

Probability that the boys are seated next to each other.

.

Probability that the boys are seated next to each other is .

Probability that the boys are seated next to each other is .



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