[ Evenness and Oddness

How do you think - even or odd - will be the product of: a) two even numbers; b) two odd numbers; c) an even and an odd number; d) an odd and an even number?

#
The product will be even if at least one of the factors is an even number. If both factors are odd, then the product will also be odd.

## Answer

a) even; b) odd; c) even; d) even.