Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

It is always ahead of me yet I can never see it. What is it?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

What has no start, end, or centre?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

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

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?