While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What is black when you buy it, red when you use it, and gray when you throw it away?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Can you find the thief by just looking at the picture below?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Who are the happiest people in IPL match?