Question

26. The average monthly consumption of petrol for a car for 7
months is 104 litres, and for next 5 months it is 86 litres.
Find the average monthly consumption of petrol for the
whole year.​

Answer 1

Answer:

Since. the average consumption of petrol for a car for 7 months is 110 litres and for next 5 months it is 86 litres,

∴ the average monthly consumption is

7+5

110×7+86×5

=

12

770+430

=100 litres