How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

I know a nine-letter word having only one vowel.
Do you ?

Can you replace the question mark with the correct number in the below table sequence?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

The dirtier I get, the whiter I look. Who am I?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

A generous owner of a company decided to give a bonus of $45 to every man and $60 to every woman on his birthday. But only one-ninth of the men and one-twelfth of the women were present to take the bonus.

Can you calculate the amount of money the owner spent if there were 3552 employees?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

Find the value of "?" in the ball picture Riddle below:

In the image given, you can find several triangles. Can you count them all?