There are 2 Sci-Fi books, 3 Romance books and 4 Horror books to be arranged on a shelf. How many arrangements are possible if: a. There are no restrictions? b. The books of the same genre must be together? c. The Horror books must be placed first (on the left)?

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Q: The soccer team has 20 members and will elect P, VP, T and S. In how many ways can this be done?

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Q: From a group of 10 men and 5 women, how many committees of size 5 are possible? a.) With no…

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Q: An appliance store carries 9 types of washing machines and 5 types of dryers. A shopper comes in and…

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Q: law enforcement officers if each committee consists of 6 law enforcement o

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Q: If 4 men and 5 women are having lunch together (a) in how many different ways can they order 2…

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Q: If 4 Maths books are selected from 6 different Maths books and 3 English books are chosen from 5…

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Q: If a club consists of 15 ​members, how many different arrangements of​ president, vice-president,…

A: