What does 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?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

Which English verb becomes past tense just by rearranging the letters?

How many sides does a circle have?

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

Can you place six X (crosses) in below board without making three in a row in any way ?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?