Find the next number in the sequence

5 12 24 36 ?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

John was piloting a plane behind a car but was never able to overtake it. Why?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

I’m tall when I’m young, and I’m short when I’m old. What am I?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Using Only Five 5's and any mathematical operator make sum as 37

What is more useful when it is broken?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?