One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Count the number of triangles in the given picture.

What does below rebus means ?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

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?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?