A father's child, a mother's child, yet no one's son.

Who am I?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

The more it dries, the wetter it becomes. Can you tell what it is?

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

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Can you find the six hidden animals in the picture below?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?