2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?
How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?
What is both possible and impossible at the same time?
Find the next number in the series? 2, 12, 36, 80, 150, 252, 392, _ ?
Can you find out the remainder when 3^300 is divided by 5?
It is a six-letter word. The first four letters are me. The second and last letters are the same. The fourth second and last letter is payment. Who is it?
There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?
Why do people go to bed?
why number 8549176320 is one of a kind?
What you cannot hold but it is yours?
Can you find the six hidden animals in the picture 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.