Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

In a kingdom, King George did not allow any citizen to visit the world outside. Also, only a person with proper paperwork was allowed to enter or he was sent back. A wooden bridge was what connected the kingdom to the world. The king had appointed a sharpshooter who would check the every five minutes on the bridge to check. After checking, he would go back to his hut and return exactly after five minutes again. The bridge took 9 minutes to cross.

A merchant was able to escape the kingdom without harming the shooter. How?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What can you hold in your right hand, but never in your left hand?

What number comes next in the series?

5 15 5 18 5 24 14 20 _