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

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

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 bat and a ball cost €1.10. The bat costs one euro more than the ball. How much does the ball cost?

What tree do we all carry in our hands?

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?

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

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?

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 is correct to say – “the yolk of the egg is white” or “the yolk of the egg are white”?

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?