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How many five - digit numbers can be formed with the digits 5, 4, 3, 5, 3?

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How many five - digit numbers can be formed with the digits 5, 4, 3, 5, 3?

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To find: Number of 5 - digit numbers that can be formed 

2 numbers are of 1 kind, and 2 are of another kind 

Total number of permutations =\(\frac{5!}{2!2!}\) = 30 

30 number can be formed

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