Basics & Puzzles

You are given a round glass full of water having capacity of 1 Ltr. You do not have any kind of measurements or any other things. How you will remove water from this glass such that glass will contain exact half of its quantity (500ml).

You are having a gold bar and you need a worker to finish some work at your home.  Work will be finished in exact 7 days. You need to pay worker every day with equal part of the gold bar.  You are allowed to make two breaks in the Gold bar.  So how you will be going to pay to the worker ? Note: You need to pay equal part of Gold bar everyday.