A motor car consumes one liter petrol when it covers a distance of 9 km and the cost on account of petrol for a journey of 360 km by that car is Rs. 102.40. What will be the cost on account of petrol for covering a distance of 600 km, by a car which requires one liter petrol to cover a distance of 7.5 km?
Answers
Answer:
The given question describes the average consumption of fuel for a car and the total cost for the journey, and we are asked to find the cost for the other car whose average fuel consumption is given and the cost for the fuel used have to be obtained from the previous car, on solving we get:
Step-by-step explanation:
⇒average rate for first car= 360km/9km
= 40 liter for the complete journey
⇒cost taken for the whole journey
= RS. 102.40
cost of 1 liter = 102.40/40 = RS 2.56 per litre
Using the cost for 1litre from first car we can use this value for calculation for the whole journey for the second car, on solving we get:
⇒average rate for second car=360km/7.5km
=48liter for complete journey
⇒cost taken for the whole journey=48×2.56Rs=
122.88Rs
Hence the cost of journey from the second car is Rs.122.88.
So, the correct answer is “ Rs.122.88.”.