I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

10+10 and 11+11 can give you the same answer.

Explain how?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Find out the number of circles in the given picture having Illusion

What does below Rebus say?

XLR8

There was a kingdom in which the king had no heir to take over his thrown. Even the queen was dead and he himself was on the verge of dying. He thought about it and then summoned all of the teenagers. He gave one seed each to all of them and asked them to grow the plant. He announced that the one with the most beautiful plant will become the king/queen of the empire after the death of the king.

After a month, all of them were called. The king looked at all of the plants but announced the girl with an empty pot as the queen of the empire. Why?

Decode below rebus
D
N
A
T
S , D

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?