Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Whats the next number in the below number sequence pattern.

Can you find the key in the picture below?

In the picture given below, can you find out which digit will take place of the question mark?

Prove that twice of ten is the same as twice of eleven.

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

I travel all around the world but always stay in the corner. What am I?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?