A shopkeeper gives two discount two the customer. He give \(\frac{1}{5}\) of the total bill on Monday and \(\frac{2}{5}\) of the total bill on Tuesday.
1. What is the sum of \(\frac{1}{5}\) and \(\frac{2}{5}\)
2. What is the difference of \(\frac{1}{5}\) and \(\frac{2}{5}\)
3. Which of the following fraction is equivalent to \(\frac{2}{5}\)
4. If Sharon purchases \(Rs.700\) on Monday, then what is her discount amount?