There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

John decided to give his bike 3 coats of paint. Which coat would go on the first?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Decode below rebus
D
N
A
T
S , D

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

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

what does the below rebus means?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?