What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

John was drowned by he was not wet. How?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

How do you go from 98 to 720 using just one letter?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

What do you call a fish without an eye?

I know a nine-letter word having only one vowel.
Do you ?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?