If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

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

Solve below popular number sequence
314 159 265 358 979 323 846 ?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

What do you answer even though it never asks you questions?

Can you replace the question mark with the correct number?

What is the Surname of Barbie Doll?

What four weights can be used to balance from 1 to 30 pounds?