Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

How do you go from 98 to 720 using just one letter?

How could a baby fall out of a twenty-story building onto the ground and live?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Can you count the number of triangles in the picture below?

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

A sundial has the fewest moving parts of any timepiece. Which has the most?