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

Find the next number in the sequence

5 12 24 36 ?

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?

Count the number of lines in the image below ?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

What is the word or phrase below?
R | E | A | D

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?