Try these 3 riddles...?
A cat had three kittens: January,March and May. What was the mother's name.
A farmer challenges an engineer, a physicist, and a mathematician to fence off the largest amount of area using the least amount of fence.
The engineer made his fence in a circle and said it was the most efficient.
The physicist made a long line and said that the length was infinite. Then he said that fencing half of the Earth was the best.
The mathematician laughed at the others and with his design, beat the others. What did he do?
A man is trapped in a room. There are 2 doors. In one (Door a) there is a sensor and if he goes in he is zapped by electricity, the squashed by a giant brick coming in through the ceiling. The other room (Door B) is made out of a magnifying glass, so if he steps in the sun's magnifying rays will fry him. Which door does he go through.