Complete the table series riddle by finding the number that can replace "??".

What is the coolest letter in the alphabet?

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

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Which number should replace the question mark?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?