A father's child, a mother's child, yet no one's son.

Who am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

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?

What has no start, end, or centre?

Which five letter word can be added at the end of below word to form a
valid word?

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If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

I cannot talk, but I always reply when spoken to. What am I?

Can you find out which options fits best with the missing column?

How many words can a pen with half refill write?