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In how many ways three girls and nine bo...

In how many ways three girls and nine boys can be seated in two vans, each having numbered seats, 3 in the front and 4 at the back? How many seating arrangements are possible if 3 girls sit together in a back row on adjacent seats?Now, if all the seating arrangements are equally likely, what is the probability of 3 girls sitting together in a back row on adjacent seats?

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CENGAGE PUBLICATION-PROBABILITY-All Questions
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  2. A box contains two 50 paise coins, five 25 paise coins and a certain ...

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  3. In how many ways three girls and nine boys can be seated in two vans, ...

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  4. Five different marbles are placed in 5 different boxes randomly. Then ...

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  5. There are 10 prizes, five A's, three B's, and two C's placed in identi...

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  6. A mawn takes a step forward with probability 0.4 and backward with pro...

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  7. An unbiased coin is tossed. If the result is a head, a pair of unbi...

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  8. If A and B are two independent events such that P( barA nnB)=2//15 and...

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  10. If pa n dq are chosen randomly from the set {1,2,3,4,5,6,7,8,9, 10} wi...

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