Math, asked by vamshi9690, 6 months ago

the number of 4 letter permutations formed with English alphabet such that the number of distinct vowels equal to number of distinct consonants when repetition allowed is

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Answered by foxes6

7

Answer:

The number of words of four letters containing equal number of vowels and consonants, repetition being allowed, is · 1052 · 210×243 · 105×243.

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