A window cleaner is cleaning a window on the 25th floor of a skyscraper when he slips and falls. He has no safety equipment and nothing to soften his fall, yet he is not hurt. How can this be?

What number satisfies this requirement? Twice the number is 99 more than half of the number.

If you were to spell out the numbers, how far would you have to go before encountering the letter A?

A man is running across a field at night clutching something in his arms as several other men pursue him. He looks back and sees they’re getting closer. In a final burst of effort his pursuers catch up and bring him crashing to the ground. His pursuers stand over him but do not touch him or take what he was carrying. Why not? Who was the running man?

A man owed his friend $63 and repaid him the exact amount in cash without using coins or $1 bills (no online transfers, checks, credit cards or any other tricks) and without requiring change. How did he do it?