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)?

How many times can you subtract the number 5 from 25?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

Which is the correct shadow of the bird?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

I have no life, but I can die. What am I?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Can you write down eight eights so that they add up to one thousand?