Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

The Little ant seems to be always confused. Do you know why?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

How can you tell a raw egg from a hard-boiled egg?

What is the end of everything?

What is harder to catch the faster you run?

Who is that with a neck and no head, two arms and no hands? What is it?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?