John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What does the below rebus riddle means?

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

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What has many teeth, but cannot bite?

What Does this text mean:

important=important