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

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Prove that the below maths equation is true.

8 + 8 = 91

What have one eye but still cannot see?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Why are all black people so quick ?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

Which number should replace the question mark?