Can you place three balls such that the equation shown in the picture holds true?

What is the word or phrase?

Why do you find that most of the buildings are deprived of the 13th floor?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

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?

Can you count the number of squares in the figure below?

Prove that twice of ten is the same as twice of eleven.