Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

What does this rebus riddle means ?

Why is a river so rich ?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

Which letter of the alphabet has the most water?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

What can you hold in your right hand, but never in your left hand?