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 may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Why is 6 afraid of 7?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What demands an answer, but asks no questions

You need to remove two matchsticks to make the below equation true. Can you do it ?

What is the coolest letter in the alphabet?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Can you find out the number that should replace the question mark with a valid reason?