How many four-letter words begin with c or end in two vowels

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Reference no: EM131239792

Consider the alphabet A, B, C, D, E, F.

(a) How many four-letter words contain the sub word ACE?

(b) How many four-letter words don't begin with F or don't end in E?

(d) How many four-letter words begin with C or end in two vowels?

Reference no: EM131239792

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