They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Why is a river so rich ?

The dirtier I get, the whiter I look. Who am I?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

If Rajina's daughter is my daughter's mom, who am I to Rajina?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

Can you move 2 matchsticks to form four equal sized squares.

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?