O_er_t_o_

Complete the missing letters of the given word.

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

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 ?

Can you solve below mathematical equation?

2^1234 - 2^1233

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

I have no life, but I can die. What am I?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

I always drive my customer away.

Who am I?