Using only the digits 5, 6, 7, 8, how many different three digit numbers can beformed

asked Dec 21, 2022 147k views

5 votes

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6 votes

It is hard and the condition of repeat of number should be clear if you have formula ( it is obvious to have) you can use that.

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3 votes

Answer:

totally 16 numbers can be formed

Finlay answered Dec 27, 2022

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