O_er_t_o_

Complete the missing letters of the given word.

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

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

What number divided by 4 is the same as that number minus 4?

Whats the next number in the below number sequence pattern.

Why Aeroplane windows are round?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?