Can you find a number that lies one third of the distance between 1/3 and 2/3?
They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?
I have two sand hourglasses: 1. A 7 minute one and 2. An 11-minute one. Using just these 2 sand hourglasses, how can I measure time as 15 minutes?
Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?
Today, I celebrated my 32nd birthday but I was born in 1972. How is this possible?
What's a single-digit number with no value?
John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple. Can you find out how many did he have in the beginning?
What does this simple rebus mean?
Which number comes next in the number series? 2, 9, 30, 93, ?
It belongs to you, but other people use it more than you do. What is it?
You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth. How long would it take for the machine to cut the roll if each cut took 4 secs?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.