A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

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

There is something which is always coming but never arrives?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

I am an odd number. Take away a letter and I become even. What number am I?

I travel all around the world but always stay in the corner. What am I?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?