What happened when the wheel was invented?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

You bought me for dinner but never eat me. What am I?

What number do you get when you multiply all of the numbers on a telephone's number pad?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

Which letter of the alphabet has the most water?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?