Q. 305.0( 2 Votes )

Total number of w A. 60

B. 120

C. 7200

D. 720

Answer :

Formula:- (i) ⁿC_r

Number of vowel=4

Number of consonant=5

Total number of words formed by 2 vowels and 3 consonants

=⁴C₂.⁵C₃

2 vowel and 3 consonant =5!

Total number of word

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Total number of w A. 60B. 120C. 7200D. 720