We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

You can hear me, but you can't touch or see me.

What am I?

What jumps when it walks and sits when it stands?

What happened when the wheel was invented?

You bought me for dinner but never eat me. What am I?

There was a kingdom in which the king had no heir to take over his thrown. Even the queen was dead and he himself was on the verge of dying. He thought about it and then summoned all of the teenagers. He gave one seed each to all of them and asked them to grow the plant. He announced that the one with the most beautiful plant will become the king/queen of the empire after the death of the king.

After a month, all of them were called. The king looked at all of the plants but announced the girl with an empty pot as the queen of the empire. Why?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Which country gets ill every time?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?