In which direction should the missing arrow point?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

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?