What's the best place to go shopping in the ocean?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

You can see it everyday, But cannot touch it at will. What is it?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?