Permutation and CombinationHard
Question
The number of ways of arranging the letters AAAAA, BBB, CCC, D, EE & F in a row if the letter C are separated from one another is:
Options
A.13C3.
B.
C.
D.11. 
Solution
We have arrange all the letter except ′ccc′ is
new there all 13 place where ′i′ can be placed 13C3
Hence required number of ways is =
13C3 = 11 . 
new there all 13 place where ′i′ can be placed 13C3Hence required number of ways is =
13C3 = 11 . Create a free account to view solution
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