Question: Discrete Structures and Combinatorial Analysis course : How many six-digit numbers a) contain the digit 0?| b) contain the digits 3 and 5? c) are

Discrete Structures and Combinatorial Analysis course :

Discrete Structures and Combinatorial Analysis course : How many six-digit numbers

How many six-digit numbers a) contain the digit 0?| b) contain the digits 3 and 5? c) are even and contain distinct digits (no two digits are the same)? Note: A number cannot start with the digit 0

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