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)?

What does this below rebus puzzle mean?

If an electric train is travelling south, then which way is the smoke going?

What breaks yet never falls, and what falls yet never breaks?

How many triangles can you find in this given picture?

Find the missing number in the sequence below:

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?