A child has plastic toys bearing the digits 4, 4 and 5. How many 3-dig – InterviewSolution

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1.	A child has plastic toys bearing the digits 4, 4 and 5. How many 3-digit numbers can he make using them?
Answer» Correct Answer - 3 There are 3 digits out of which 4 is repeated 2 times and 5 occurs only once. Required number of numbers `=(3!)/(2!)=(3xx2xx1)/(2)=3.`

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