Decode below rebus
D
N
A
T
S , D

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

There is something which is always coming but never arrives?

What is black when you buy it, red when you use it, and gray when you throw it away?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Replace the question mark with the correct number in below Picture:

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

How could a baby fall out of a twenty-story building onto the ground and live?

I shave every day, but my beard stays the same. What am I?