A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

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?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

How many times can you subtract the number two from the number fifty?

Which English verb becomes past tense just by rearranging the letters?

If six children and two dogs were under an umbrella, how come none of them got wet?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?