Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Next Number in the Series,

5, 16, 49, 104, ?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Find the missing number in the sequence below:

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

What has 13 hearts but no other organs?