Question 2

In the following sequence of alphabets
a a b a b a a b a b a a a b b a b a b b a a a a
The number of a’s in between 7th a from left and 7th a from right is

Solution

There is only one a between the 7th 'a' from the left and 7 th 'a' from the right.

a a b a b a a b a b a a a b b a b a b b a a a a

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