A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

You need to remove two matchsticks to make the below equation true. Can you do it ?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

No matter how little or how much you use me, you change me every month. What am I?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Move three sticks of the spiral below to form a square.

Count the number of squares in the picture below.

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?