One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

What brings you down but never up?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Prove that twice of ten is the same as twice of eleven.

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

It belongs to you, but other people use it more than you do. What is it?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

Can you name an animal whose killing cannot be performed without spilling your own blood?