How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What is common among 11, 69, and 88?

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?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

If eleven plus two equals one, what does nine plus five equal?

John was piloting a plane behind a car but was never able to overtake it. Why?

When it's bad luck to meet a black cat?

Forwards I am heavy, backward I am not. What am I?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?