Who always enjoys poor health?

Why is it very easy to weigh a fish?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

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

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.

What is the centre of gravity?

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?

What is the end of everything?

When does a USA Potato change its nationality?

What can you serve, but never eat?