How many times can you subtract the number two from the number fifty?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

A father's child, a mother's child, yet no one's son.

Who am I?

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?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Find the number of squares in the below picture

Next Number in the Series,

5, 16, 49, 104, ?

I have feet, but no legs. Which animal Am I?