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

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

Do you know who was buried in John's tomb?

Why Wine Glass Stem is so long?

What is the next number in the series?

15 29 56 108 208 ?

Can you tell a 3D object that has just two surfaces?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?