If the present Petrol price is ₹ 50 per litre , then what is the new price in ₹ when:
i) there is an increase of 20% on the original price?
ii) there is a decrease of 10% on the original price?
60, 45
i) When there is an increase of 20% , the increase in price is:
= 20100×50=10
Therefore, the new petrol price is: ₹ (50 + 10) = ₹ 60
ii) When there is a decrease of 10%, the decrease in price is:
= 10100×50=5
Therefore, the new petrol price is: ₹ (50 - 5) = ₹ 45