A fresh card pile is taken out of a box (the pile has 54 cards including 2 jokers). One joker is taken out and then the cards are shuffled for a good amount of times. After shuffling, two piles are made by dividing that one pile.



What is the possibility that one of the piles will have a card sequence from A to K in order?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

What is the relationship between these matchstick pictures below?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

There is something which you can be arrested for attempting but not for successfully completing.

What is harder to catch the faster you run?

What is the next number in the series?

15 29 56 108 208 ?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

The centre of the third figure is empty. What digit should fit inside?

Look at the picture and find out which square is not linked with any of the other squares.