Permutation and CombinationHard
Question
Tne number of arrangements of the lettrs of the word BANANA in which the two N′s do not appear adjacently, is
Options
A.40
B.60
C.80
D.100
Solution
Total number of arrangements of word BANANA
The number of arrangements of word BANANA in which the two N′ s appear adjacently
Required number of arrangements = 60 - 20 = 40
The number of arrangements of word BANANA in which the two N′ s appear adjacently
Required number of arrangements = 60 - 20 = 40
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