Can you place three balls such that the equation shown in the picture holds true?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

What country can make you shiver?

I am the fastest animal but cannot climb the tree. What am I?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

Can you find the 09 errors in the picture below?

What has many teeth, but cannot bite?

I have Rs.50 and I spend it in the way as below.