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)?

Count the number of triangles in the below picture?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

How many times can you subtract the number two from the number fifty?

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

Can you fill the blank with the correct number?

6 30 870 756030 _____