d2 q4

Out of 7 consonents and 4 vowel the no of words of 6 letters formed by taking 4 consonents and 2 vowels is?

Dear jee

4 consonent can be selected in 7C4 ways

2 vowels can be selected in 4C2 ways

so total word =⁷C₄ *⁴C₂ * 6! ways

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