What is the word or phrase?

Can you name some countries which do not have the alphabet 'A' in them?

Why is a river so rich ?

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

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

Replace the question mark with the number below given a simple math problem.

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?