What word begins and ends with an E, but has only one letter?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

Give it food and it will live; give it water and it will die.

What demands an answer, but asks no questions

What jumps when it walks and sits when it stands?

Can you write down eight eights so that they add up to one thousand?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

O_er_t_o_

Complete the missing letters of the given word.

Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?