Who can jump higher than a Mountain?

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?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Make a sentence consisting of three words that have the whole alphabet.

What kind of tree can you carry in your hand?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Prove that the below maths equation is true.

8 + 8 = 91