In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

Prove that twice of ten is the same as twice of eleven.

Which word does the below Plexor means ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Can you replace the question mark with the correct number?

What begins with T, ends with T, and has T in it?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.

The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.

John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy

Tell me, Who is the king, who is the bureaucrat, and who is the Spy?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?