10+10 and 11+11 can give you the same answer.

Explain how?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

What is black when you buy it, red when you use it, and gray when you throw it away?

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

What does an Island and the letter T have in common?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

What does it mean?