How is the moon similar to a dollar?

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

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Can you find the hidden animal in the picture below?

Can you name some countries which do not have the alphabet 'A' in them?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What can you deduce from the following BrainBat?

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