What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

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?

Can you solve the below geography rebus by decoding the below rebus ?

What does this mathematical rebus means ?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?