Find the number of squares in the below picture

What goes through cities and fields, but never moves?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

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

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

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?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

Why are all black people so quick ?