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How many different ways of choosing three initials are there that have two or three initials alike?
Wiki User
∙ 14y ago
Total number of choices for 3 initials = 263
Number with all three different = 26*25*24 (assuming ABC is not the same as ACB)
So number with two or three alike = Total - number with no matches
= 263 - 26*25*24 = 17576 - 15600 = 1976
Wiki User
∙ 14y ago
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