Can you convert the number zero(0) into a positive number using just one mathematical operator ?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

Can it be possible to build a house that has all its four walls facing towards the South?

There are two arch enemies Messi and Ronaldo who hate each other to an extreme. One day both were going together and a Jeanie appeared in front of them. Jeanie grants 3 wishes to Ronaldo and one to Messi.

Messi replied smartly 'Give me twice whatever Ronaldo demands'.

Ronaldo asked his 1st wish 'Give me 10000 billion dollars. Soon Messi gets 2000 billion dollars.
Ronaldo asked for his 2nd wish 'Give me one mansion in every country in the world. Soon Messi gets two mansions in every country of the world?

What should be Ronaldo's third wish?

Why did Buffon take the goal with him after every Juventus match?

Find out the missing number in the picture attached:

What goes up but never comes down?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

By using 'because' continuously three times, can you make an English statement ?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.