A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Which part of London exists in France as well ?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

You need to arrange three 7 and mathematical symbols to form number 1?

How many triangles can you count in the figure given?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

What is the riddle which can be asked all day with a different correct answer each time.

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?