Children: You mean, if we do not fold the note, do not write on them and take care of them, they will last longer?

Money Kumar: Of course. They are currency notes after all. Should we not take good care of them?

Suddenly, the children notice that the cashier checks every note before accepting it.

Children: What is the lady looking for in those notes?

Money Kumar: She is ensuring that the notes are genuine and not fake.

Ice-cream seller: Wow! So you can find out for yourself if a note is fake?