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

Solve below rebus puzzle?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

I always drive my customer away.

Who am I?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

We know that money can be names differently for the purpose it is used for. Some of the examples of money given at following places or for following activities:

In temple = Daan
In school = Fees
During marriage = Dowry
For divorce = Alimony
Paying government = Tax
In court = Fine
Employer to employee = Salary
To kidnappers = Ransom
For illegal reason = Bribe
To civil servant retirees = Pension

Do you know what do we call the money a husband gives to his wife?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

What is always in front of you but can’t be seen?