If eleven plus two equals one, what does nine plus five equal?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

What is the riddle which can be asked all day with a different correct answer each time.

How many times can you subtract the number 5 from 25?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Before Mount Everest was discovered, what was the highest mountain in the world?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

If you say my name, I will no longer exist. What am I?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see