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?

I have Rs.50 and I spend it in the way as below.

Two men are in a desert. They both have packs on. One of the guys is dead. The guy alive has his pack open, and the guy who is dead has his pack closed. What is in the pack?

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

What number divided by 4 is the same as that number minus 4?

Can you divide the below-given shape into four equal and identical pieces?

Can you count the number of squares in the given picture?