If a wheel has 54 spokes, how many spaces are there between the spokes?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

What number should come in place of the question mark below?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

I have eight fingers and two thumbs but I do not live. What Am I?

When 99 is considered higher than 100?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E