There are forty elephants and they have forty-fore heads. How can this be possible?

Which digit occurred maximum times between the number 1 and 1000?

Can you find out the remainder when 3^300 is divided by 5?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

Give it food and it will live; give it water and it will die.

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

There is something which you can be arrested for attempting but not for successfully completing.

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?