Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?