Q. If the price of petrol is increased by 20% and subsequently by 40%. If the original price was Rs25 per litre then what is then the final price per litre?
✅ Correct Answer: (A)
42
Explanation: Final Price = 25 x (1 + 20/100) x (1 + 40/100)
=Rs.25 x 1.2 x 1.4
= Rs. 42
=Rs.25 x 1.2 x 1.4
= Rs. 42
Explanation by: Yogesh
Final Price = 25 x (1 + 20/100) x (1 + 40/100)
=Rs.25 x 1.2 x 1.4
= Rs. 42
=Rs.25 x 1.2 x 1.4
= Rs. 42