Medium Riddles

A brick weighs 3 pounds plus half its weight. How much does the brick weigh?

What grows when it eats but dies when it drinks?

What breaks but never falls, and what falls but never breaks?

If you have a bowl with six apples and you take away four, how many do you have?

The more you take, the more you leave behind. What am I?

What has 13 hearts but no other organs?

I’m not alive, but I grow; I don’t have lungs, but I need air; I don’t have a mouth, but water kills me. What am I?

If 5 cats can catch 5 mice in 5 minutes, how many cats would be needed to catch 100 mice in 100 minutes?

I’m light as a feather, yet the strongest person can’t hold me for more than a few minutes. What am I?

What can you hold in your right hand but not in your left?