Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Who always enjoys poor health?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What word begins and ends with an E, but has only one letter?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

Can you solve the below tricky visual equation?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.