Question

Two kids are born on the same day of the of the same year to the same mom and dad, they are not twins, explain.

Answer 1

They’re triplets duhhhhhhhhh

Answer 2

They are triplets. There's a third child that wasn't mentioned. Or, you could paiir it as child AB, AC, & BC. They are born together, but they aren't twins. 

Hope this helps! Have a great day :)