A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

What 5-letter word typed in all capital letters can be read the same upside down?

What has hands, but can’t clap?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Can you replace the question mark with the correct number?

what does the below rebus means?

A blonde put eyeliner on her head. Why?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?