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!
Create a free account to view solution
View Solution FreeMore Permutation and Combination Questions
The number of ways in which 3 persons can occupy 6 rooms separately is-...A man saves Rs. 200 in each of the first three months of his service. In each of the subsequent months his saving increa...How many numbers can be formed with the digits 3, 4, 5, 6, 7 which are greater than 1000 (Rept. not allowed) ?...The maximum number of different permutations of 4 letters of the word ″EARTH QUAKE″ is...The total number of words which can be formed using all the letters of the word ″AKSHI″ if each word begins ...