What four weights can be used to balance from 1 to 30 pounds?
John can place six large boxes or nine small boxes into a carton. Can you find out in how many cartons can he place sixty-six boxes in total?
I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it. Guess the number?
Find the last number in the series below: voN luJ yaM raM ---
You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?
What is the next number in this matchsticks series riddle?
Be active and find the killer in the picture Riddle below.
How far can you walk into the woods?
I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?
John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do? But it is quite possible, do you know how?
Find the value of "?" in the ball picture Riddle below:
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.
