When can you add two to eleven and get one as the correct answer?

While going to the fair, John met 5 clowns on his way. Each clown had 4 dogs, each dog had 2 cats and each cat had 2 mice. How many in total were going to the fair?

A cow is tied to a 4-meter-long rope. There is food, 20 meters away from the cow. However, the cow manages to go to the food and eat it. How come?

You have a drawer with 10 pairs of black socks and 10 pairs of white socks. How many times do you need to take out a sock so that you get a matching pair?

What tree do we all carry in our hands?

When you have me, you immediately feel like sharing me. But, if you do share me, you do not have me.

Arnold Schwarzenegger has a long one. Michael J. Fox has a short one. Madonna does not use hers. Obama always uses his.

What 5-letter word becomes shorter when you add two letters to it?

I have keys without key locks.I have space without rooms.You can enter but you cannot go outside.

Give me food, and I will live; give me water, and I will die. What am I?

A boy is walking down the road with 3 people in his family. One of them is a doctor. While the boy is the doctor’s son, the doctor is not the boy’s father. Then who is the doctor?

What number comes next in the following sequence? 2 4 8 10 20 __

Your parents have six sons including you and each son has one sister. How many people are in the family?