As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

Take away the whole and some still remain. What is it?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

I don't get anymore wetter, no matter how much rain falls on me.

There is something which is always coming but never arrives?

How is the moon similar to a dollar?