Question

which type of Air is filled in baloon

Answer 1

Hey..

helium air is the one which is filled in balloons

hope it helps

Answer 2

A ballon is a flexible bag that can be inflated with a fluid, such as helium, hydrogen, nitrous oxide, oxygen, air or water. Modern day ballons are made from materials such as rubber, latex, polychloroprene, or a nylon fabric, and can come in many colors.
hope it helps you