Question
The price of petrol shot up by 5%. Before the hike, the
price was ₹82 per liter. A man travels 3045 km every month and his car gives a mileage of 15 km per liter. What is the increase in the monthly expenditure (to the nearest ₹) on the man's travel due to the hike in the petrol prices?Solution
Total petrol required every month = 3045/15 = 203 litres The petrol price hike = 82 × (5/100) = Rs. 4.1 Increase in monthly expenditure = 203 × 4.1 = Rs. 832.30 ≈ Rs. 832 (to the nearest Rs.) ∴ The increase in the monthly expenditure (to the nearest Rs.) is Rs. 832
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