Adam says, he's four times as old as Brad. Brad says, in 24 years he'll be half as old as Adam. How old are Adam and Brad?

Try and out-riddle bullet.

thats not a riddle
thats math
A man and a woman were driving in their car when it broke down. The man decided to go for help at a gas station a few miles back. He made sure nobody was in the car, rolled all the windows up, and locked all of the sedan's doors. He went off, but when he came back, his wife was dead, and there was a stranger in the car. No physical damage was done to the car, so how did the stranger get in?

Paul is 20 years old in 1980, but only 15 years old in 1985. How is this possible?

Math then. But no one knows the answer ?

Adam is 48, Brad is 12.

What can you put in a barrel to make the barrel lighter?