(a) Find the number of words each consisting of 3 consonants \& 3 vowels that can be formed from...

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(a) Find the number of words each consisting of 3 consonants \& 3 vowels that can be formed from the
\( \mathrm{P} \) letters of the word Circumference. In how many of these cs will be together.

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(b) Find the number of 7 lettered words each consisting of 3 vowels and 4 consonants which can be formed using the letters of the word DIFFERENTIATION.
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