Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

What can go through glass without breaking 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?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

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

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?