I’m tall when I’m young, and I’m short when I’m old. What am I?

What does this say?

XLR8

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

What number should come in place of the question mark below?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

What is the relationship between these matchstick pictures below?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?