If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

The centre of the third figure is empty. What digit should fit inside?

Can you count the number of triangles inside a triangle?

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?

Identify the 10 differences between the two given pictures.

When it is alive we sing, when it is dead we clap our hands. What is it?

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

What does does this rebus picture means ?

If it took eight men ten hours to build a wall, how long would it take four men to build it?