What Adam and Eve do not have but the rest of the people have?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What does below chemistry rebus means?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

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

Find the number of squares in the below picture

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?