I have teeth but i don't bite. Who Am I ?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

What is the last thing you take off before bed?

A man was convicted of a minor offence in Akbar court. Akbar decided to give him a chance. He asked him to give a statement. If the statement is true, he will be killed by lions and if it is false, he will be killed by trampling of wild elephants.

The convicted person requested help from Birbal and since the crime was not a big one, Birbal decided to help him. Whatever Birbal suggested impressed Kabir and he let the convicted person go.

What did Birbal suggest to the person?

Can you find the six hidden animals in the picture below?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Using Only Five 5's and any mathematical operator make sum as 37

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?