What does below rebus means ?

Can you write down eight eights so that they add up to one thousand?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What country can make you shiver?

Next Number in the Series,

5, 16, 49, 104, ?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

There is a place where if I stand up straight, I will still be considered sideways.