I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

I am white when I am dirty, and black when I am clean. What am I?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

If two's company, and three's a crowd, then whats four and five ?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

Prove that twice of ten is the same as twice of eleven.

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

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