Decode below rebus
D
N
A
T
S , D

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

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

What does this mean?

CCCCCCC

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

How many sides does a circle have?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

What is always in front of you but can’t be seen?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?