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?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

What has lots of eyes, but can’t see?

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

Solve the puzzle by telling what does below picture means.

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Which wheel of car does not rotate when you turn your car right?

What number when divided in half becomes zero?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?