Count the number of triangles in the below picture?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Why did the Girl throw the butter out of the window?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?