Permutation and CombinationHard
Question
The number of ways in which 4 boys & 4 girls can stand in a circle so that each boy and each girl is one after the other, is:
Options
A.3 !. 4 !
B.4 !. 4 !
C.8 !
D.7 !
Solution
First we arrange all the boy so no. of ways of all
the boy can stand is 3! now we arrange all the girl
in 4 ! ways so total no. of ways is
= 4! × 3!
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