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?

Can you place six X (crosses) in below board without making three in a row in any way ?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

I travel all around the world but always stay in the corner. What am I?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

If Rajina's daughter is my daughter's mom, who am I to Rajina?