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In a Class There Are 27 Boys and 14 Girls. the Teacher Wants to Select 1 Boy and 1 Girl to Represent the Class in a Function. in How Many Ways Can the Teacher Make this Selection?

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Question

In a class there are 27 boys and 14 girls. The teacher wants to select 1 boy and 1 girl to represent the class in a function. In how many ways can the teacher make this selection?

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Solution

No. of boys in the class = 27
No. of girls in the class = 14
Ways to select a boy = 27
Similarly, ways to select a girl = 14
∴ Number of ways to select 1 boy and 1 girl = 27 \[\times\] 14 = 378

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Chapter 16: Permutations - Exercise 16.2 [Page 14]

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R.D. Sharma Mathematics [English] Class 11
Chapter 16 Permutations
Exercise 16.2 | Q 1 | Page 14

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