Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

A time long back, there lived a king who ruled the great kingdom of Trojan House. As a part of the renovation of the kingdom to meet future security needs, he asked his chief architect to lay down a new play in a manner that all of his 10 castles are connected through five straight walls and each wall must connect four castles together. He also asked the architect that at least one of his castles should be protected with walls. The architect could not come up with any solution that served all of King's choices, but he suggested the best plan that you can see in the picture below. Can you find a better solution to serve the king's demand?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Why do Chinese men eat more rice than Japanese men do ?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Find the number of squares in the below picture

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?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?