What has to be broken before you can use it?

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?

Find the missing letter in the last circle logically in the given below picture.

There is something which is always coming but never arrives?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.