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

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

10+10 and 11+11 can give you the same answer.

Explain how?

If an electric train is travelling south, then which way is the smoke going?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Can you fill the blank with the correct number?

6 30 870 756030 _____

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.