What seven-letter word has hundreds of letters in it?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

The centre of the third figure is empty. What digit should fit inside?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)