The following pie chart shows the various expenses of a family, as percentages of total expenditure of the family during a period.
If the total expenditure of the family during that period was ₹2,00,000, then find the amount spent on medical expenses.
The following table shows the monthly expenses (in ₹) of three persons.
| Expenses (in ₹) | Person A | Person B | Person C |
| Housing or Rent | 15,000 | 10,000 | 12,000 |
| Travel | 2,000 | 2,500 | 3,000 |
| Food | 5,000 | 4,500 | 6,000 |
| Bills | 5,000 | 4,000 | 4,500 |
| Entertainment | 3,000 | 4,000 | 4,000 |
| Savings | 10,000 | 15,000 | 10,500 |
What is the total expenses of all three persons on Food?
What sum of money should be invested to earn a simple interest of ₹5,040 in 3 years and 6 months at 12% rate of interest per annum?