To answer this question, carefully study the following arrangements of letters.
m n m n m n n n m m n m n m m m m n n m m n
How many such m's are there which is immediately preceded by 'm' and immediately followed by 'n' ?
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1
To answer this question, carefully study the following arrangements of letters.
m n m n m n n n m m n m n m m m m n n m m n
How many such m's are there which is immediately preceded by 'm' and immediately followed by 'n' ?