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Rahl ram ram Grade: 11
        

find the number of distinct positive integers that can be formed using 0,1,2,3 where each integer is used at the most once.

6 years ago

Answers : (1)

arpit burad
16 Points
										

1 digit integer=4


2 digit integer=4p2-3p1=9


3 digit integer=4p3-3p2=18


4 digit integer=4p4-3p3=18


adding these we get 49 which is the answer

6 years ago
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