What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

Can you make a six-letter word using the letters N, A and B ?

What is the last thing you take off before bed?

What is the centre of gravity?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Which is the rope you never skip with?

Which part of London exists in France as well ?

Decode this picture on T-Shirt and tell what it says ?

Forwards I am heavy, backward I am not. What am I?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.