Permutations and Combinations Questions

1:

The number of different permutations of the word BANANA is

A.

720

B.

60

C.

120

D.

360

 

Answer : B

Explanation :

SASIKALA K said: (6:03am on Wednesday 21st February 2018)
we have to find the no: of different permutation of this word.First we have to count the total no: of letters in it.Here it is 6find out how many letters are repeating in the word.Here A is repeated 3 times. N is repeated 2 times.then total no: of different permutation is 6!/(3!*2!)ANS: 60

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Option: A

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