The following table gives the details of Five commodities A, B, C, D and E with quantity required and their costs for a family in a month. Study the table and answer the questions that follow.
| Commodity | Ouantity required/ month (in kg) | Rate/kg in Rs | |
| Year 2016 | Year 2019 | ||
| A | 15 | Rs.60 | Rs.80 |
| B | 20 | Rs.50 | Rs.60 |
| C | 12 | Rs.35 | Rs.40 |
| D | 40 | Rs.75 | Rs.85 |
| E | 8 | Rs.64 | Rs.72 |
The ratio of the total amount spent on A and D commodities in the year 2019 is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e 6 : 17
The quantity demanded of commodity A = 15 kg
The price of commodity A in 2019 = Rs. 80
Total value = 15 × 80
⇒ Rs.1200
The quantity demanded of commodity D = 40 kg
The price of commodity D in 2019 = Rs. 85
Total value = 40 × 85
⇒ Rs.3400
The required ratio = 1200 / 3400
⇒ 6 : 17