How can you make number one disappear by adding something to it?

The more you take me, the more you leave me behind.
Who Am I?

Before Mount Everest was discovered, what was the highest mountain in the world?

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 ?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Can you identify the Oscar-winning movie from the rebus below?

What makes this number unique: 8,549,176,320?

People make me, save me, change me, raise me. What am I?