Yes.
20 is even so all multiples of 20 must be even. 1 is not even.
Yes, All multiples of an even number are themselves even. 4 is an even number, so its multiples are all even.
Because 20 is a multiple of 4. All multiples of 20 are also multipples of 2, 5 and 10
yes all of the multiples of six are even because it started of even
Multiples of what???For example, to get multiples of 20, just start with 20 and add 20 at a time: 20, 40, 60, ...
50 is an even number so ALL its multiples are even...
All the even numbers are multiples of 2
2, 4, 6 All even numbers have even multiples.
60 and all its multiples
The multiples of all odd numbers are odd and even. Odd x odd = odd. Odd x even = even. Since odd and even numbers alternate, the multiples will alternate as well.
All of them. All multiples of 6 are even numbers.
5, 10, and 20 are all multiples of 5 and factors of 20.