JEE MATHEMATICS MCQ: PERMUTATIONS

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We are to form different words with the letters of the word INTEGER. Let

{m_1}

be the number of words in which I and N are never together and

{m_2}

be the number of words which begin with I and end with R, then

{m_1}/{m_2}

is equal to

View answer and explanation

Correct option: A

Option A (30) is correct because it is the ratio of the number of words where I and N are not together to the number of words starting with I and ending with R.

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