What month of the year has 28 days?

If eleven plus two equals one, what does nine plus five equal?

What word begins and ends with an E, but has only one letter?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?