What does this Rebus Picture means ?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

Can you find the key in the picture below?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Can you find the six hidden animals in the picture below?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What is the largest number you can write with just 3 digits?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

Can you solve the maths in the below-given picture equation?

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