Question
Question: The number of arrangements of the letters of the word BANANA in which two N’s do not appear adjacent...
The number of arrangements of the letters of the word BANANA in which two N’s do not appear adjacently is.
A
40
B
60
C
80
D
100
Answer
40
Explanation
Solution
Required number of arrangements
= (Total number of arrangements)
– (Number of arrangements in which N’s are together)