Question

The number of ways in which 3 boys and 2 girls can be arranged in a queue given that the girls have to be next to each other is

Answer 1

Given : 3 boys and 2 girls can be arranged in a queue such  that the girls have to be next to each other is

To Find : The number of ways

Solution:

3 boys and 2 girls can be arranged in a queue

girls have to be next to each other

Taking 2 girls as 1

3 boys + 1 ( 2 girls)  = 4

4 can be arranged in 4!  = 24 ways

2 girls can be arranged  in 2 ways

Hence total ways of arrangements = 24 * 2

= 48

48 ways  in which 3 boys and 2 girls can be arranged in a queue such that the girls have to be next to each other.

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