With the help clues provided in the image, can you find the 5 digit key?

How many sides does a circle have?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

If eleven plus two equals one, what does nine plus five equal?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?