What does below rebus means ?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

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?

There are forty elephants and they have forty-fore heads. How can this be possible?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

When can we add 2 to 11 and get 1 as the correct answer?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

Find the smallest sentence with all the English alphabet.

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?