Multiple of 4 that have a odd number in the tens place. what value do they have in the ones place

Let us write some multiples of 4.

4,8,12,16,20,24,28,32,36,40.

Now, we need to check the numbers on ones places of those multiples we got.

If we find some more mutiples, we get same odd numbers at tens places and same even numbers 2 and 6 at ones places.