2
yes
Any number ending in 0 is always divisible by 5 and 2 (and more).
A multiple of 11
A will always be an odd number.
Yes.
Not always because 18 is divisible by 2 and 6 but not by 12
yes.. always..
Not always because 30 is divisible by 2 and 6 but not by 12
Not always as for example 81 is divisible by 3 but not by 6
It is always divisible by two.
Zero is divisible by anything. The answer is always zero.
2
Not always for example, 36 is not divisible by 8 but it is divisible by 2 and 4.
Yes.
no as 2 does not go into 15
Not always because 33 is divisible by 3 but not by 9