Question

We are to form different words with the letters of the word 'INTEGER'. Let m, be the number of words in which
I and N are never together, and m, be the number of words which begin with I and end with R. Then mim, is
equal to
(a) 30
(b) 60
(c) 90
(d) 180

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Answer 1

Answer:

I didn't understand the question