JO6. How many 6 digited telephone numbers can be constructed with the – InterviewSolution

1.	JO6. How many 6 digited telephone numbers can be constructed with the digits 0, 1, 2, 3, 95, 6, 7, 8, 9, if each number starts with 35 and no digit appears more than once.If there are six periods in each working day of hool in
Answer» right answer is 1680

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