The number of permutations of the letters of the word MADHUBANI which do not begin with M but end with I is
A
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B
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C
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D
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Solution
The correct option is D Total number of words that end with I=8!2! Number of words that start with M and end with I=7!2!∴ Number of words that do not begin with M but end with I=8!2!−7!2!=7!2!(8−1)=7.7!2!