How many 4 digits numbers can be formed 0,1,2,3 without repetition – InterviewSolution

1.	How many 4 digits numbers can be formed 0,1,2,3 without repetition
Answer» The answer is 24. Cosider 4 box.in first box 3 numbers can be PUT(1,2,3) then in second BOARD there must be 3 numbers (012 or 013 or 123 or 023),in THIRD box there must be 2 numbers and in last there must be only 1 number. The answer is 18.Step-by-step explanation:EXPERT ANSWER FOLLOW ME BACK AND LIKE ME NOW

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