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?
42
45
48
40
Correct Option: A
Final Price = 25 x (1 + 20/100) x (1 + 40/100) =Rs.25 x 1.2 x 1.4 = Rs. 42
