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)?

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

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Can you place six X (crosses) in below board without making three in a row in any way ?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Which wheel of car does not rotate when you turn your car right?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

People put me on the table and cut me but do not eat me. What am I?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

What can go up a chimney down, but can’t go down a chimney up?