Can you count the number of matches in the picture below ?

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

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

If you say my name, I will no longer exist. What am I?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?