What word is represented by this rebus?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

What does this rebus mean?

O
N
C
E
TIME

What begins with T, ends with T, and has T in it?

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

What does this below rebus puzzle mean?

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 ?

Can it be possible to build a house that has all its four walls facing towards the South?