There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What four weights can be used to balance from 1 to 30 pounds?

What number do you get when you multiply all of the numbers on a telephone's number pad?

What building has the most stories?

Buy me, smell me or deliver me, I do not change.

Who am I?

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?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Take one out and scratch my head, I am now black but once was red. What am I?