What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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?

Considering the below equation:

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

Then, I + II + III = ?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

People put me on the table and cut me but do not eat me. What am I?

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

What is the word or phrase below?
R | E | A | D

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

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?