| Q.18 | If the price of petrol is increased by 28%, by what percentage should the consumption be decreased by the consumer, if the expenditure on petrol remains unchanged? (Correct to 2 decimal places) | |
| Ans | 1. 21.88% | |
| 2. 20.25% | ||
| 3. 12.35% | ||
| 4. 25.75% |
Correct Ans Provided: 1