Question

Number of ten digit numbers using 0-9 without repitition and divisible by 4

Answer 1

Following are the no. Of ten digit no and divisible by 4
12,36,40 etc.
are the no.

Answer 2

I have used the fundamental principles of counting and made cases and the divisibility of 4 is last 2 digits divisible by 4 and this is the case for 0 to 5

and please follow me