A) 20
B) 36
C) 30
D) 720
Correct Answer: B
Solution :
The word MOBILE has three even places and three odd places. It has 3 consonants and 3 vowels. In three odd places we have to fix up 3 consonants which can be done in \[{}^{3}{{P}_{3}}\] ways. Now, remaining three places we have to fix up remaining three places we have to fix up remaining three which can be done in \[{}^{3}{{P}_{3}}\] ways. The total number of ways \[={}^{3}{{P}_{3}}\times {}^{3}{{P}_{3}}\]= 36.
You need to login to perform this action.
You will be redirected in
3 sec
