A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?
What do you answer even though it never asks you questions?
I look at you, you look at me, I raise my right, you raise your left. What am I?
What number comes next in the series? 5 15 5 18 5 24 14 20 _
Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?
Can you decipher the following common phrase? T M C A U O H S M W T E
Why is the Hole below a Lock?
You are in a room with no metal objects except for two iron rods. Only one of them is a magnet. How can you identify which one is a magnet?
What is the word or phrase below? R | E | A | D
Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()
You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.
