What was the highest mountain on earth before Mount Everest was discovered?

in an abandoned aquarium there are 5 fish left in a fishbowl. Then two die, how many fish are left?

You need to escape and there are three exits with rooms in between. Through the first door are hot raging fires, through the second door are killers with loaded guns and through the third door are lions that haven't eaten in months. Which is safest to go through?

There are starving people in the Arctic and they are dying but they never tried eating one of the penguins eggs. Why?

Imagine you are a bus driver. At stop T four people get on, at stop O 1 gets off two get on, then at the last stop, stop M 3 get off and two get on. What is the bus driver's name?

Two fathers and two sons walk into a sweet shop. they buy one sweet each and each sweet costs 50p. After paying they all walk out with their sweets but they only paid £1.50, how?

When you have me you feel like sharing me but when you do share me you don't have me. what am I?