Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What is red and smells like blue paint?

What building has the most stories?

Why is a river so rich ?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

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