What you cannot hold but it is yours?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

Count the Triangle in the figure given below:

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

You need to arrange three 7 and mathematical symbols to form number 1?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?