What does this Rebus Picture means ?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

What part of the chicken has the most feathers?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

I have feet, but no legs. Which animal Am I?

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.