There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

If an electric train is travelling south, then which way is the smoke going?

When 99 is considered higher than 100?

What does below rebus means ?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

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?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

Before Mount Everest was discovered, what was the highest mountain in the world?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?