A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

Can you quickly find which two matchstick figures are identical?

The more of this there is, the less you see. What is it?

How can one talk without saying a single word?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

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?