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?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

What is the word or phrase?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

How can you take 2 from 5 and leave 4?

What makes this number unique: 8,549,176,320?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

What came first, the chicken or the egg?