How much dirt is there in a hole that measures two feet by three feet by four feet?

Which is worth more: a pound of $10 gold pieces or half a pound of $20 gold pieces?

Alone I am 24th, with a friend I am 20. Another friend and I am unclean. What am I?

I can wake you up in the morning but I require no electricity or winding. What am I?

What we caught, we threw away; what we didn’t catch, we kept. What did we keep?

What we caught, we threw away; what we didn’t catch, we kept. What did we keep?

A man was pushed out of an airplane, without a parachute. How was he able to survive?

What has roots nobody sees, is taller than trees. Up, up it goes and yet never grows?

Two people are in a barn. Ten cats follow them in. How many feet are in the barn now?

What number gives the same amount when it is added to 3 as when it is multiplied by 3?

What speaks without a mouth, has knowledge without a brain and teaches with no degree?

What speaks without a mouth, has knowledge without a brain and teaches with no degree?

You use me from your head to your toes. The more I work, the thinner I grow. What am I?

I’m where yesterday follows today, and tomorrow’s in the middle. What am I?

A barrel of water weighs 20 pounds. What must you add to it to make it weigh 12 pounds?