Decode below rebus
D
N
A
T
S , D

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

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

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Aaron, Brad, Christopher, Danny and Elvis decided to play a game of tiddlywinks. In this game they decided that one win will get 1 point for winning, 0 for losing and 1/2 in case of a tie.

They finished the game in alphabetical order and it was found that the scores were different for each person.

Based on the following two statements, can you find out the result of the individual games?
Brad: No one could finish like me, without a loss.
Elvis: No one played worse than me, I finished without a single win.

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?