You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

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

What has to be broken before you can use it?

how come the second man dies?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

You can hear me, but you can't touch or see me.

What am I?