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?

What goes up but never comes down?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

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

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Can you start the fire using two pieces of wood?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Can you count the number of squares in the figure below?