Which is heavier: a ton of bricks or a ton of feathers?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

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

Who am I?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

I am quite hot but become too cold if you remove the first two letters. What am I?