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A building has 10 doors. 5 of them are two way, 3 are entrance only, 2 are exit only. How many ways can a person enter and exit building
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A building has 10 doors. 5 of them are two way, 3 are entrance only, 2 are exit only. How many ways can a person enter and exit building

User Mbajur
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1 Answer

2 votes

Answer:

15

Explanation:

Bc I said so

User Igor S
by
4.6k points
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