I am white when I am dirty, and black when I am clean. What am I?

What month of the year has 28 days?

Imagine you are in a room with no windows or doors. How will you get out?

What is the Surname of Barbie Doll?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Can you find a number that lies one third of the distance between 1/3 and 2/3?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

Find the hidden tiger in the given optical illusion ?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?