How can you write nineteen in a manner that if we take out one, it becomes twenty?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

Find the missing number in the image below.

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

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

What number do you get when you multiply all of the numbers on a telephone's number pad?

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?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Why is it very easy to weigh a fish?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?