There was an aeroplane crash, every single person died, but two people survived. How is this possible?

You can see three almost identical images below. Can you spot the odd one out from them?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

What does Alexander the Great and Winnie the Pooh have in common?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

What runs around the whole yard without moving?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

Eight of us go fourth, not back, to protect our king from an attack. What are we?