What is next number in the pattern below:

131 517 192 123 ?

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?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Count the Triangle in the figure given below:

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

A father's child, a mother's child, yet no one's son.

Who am I?

What type of tree can I carry in my hand?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?