Average monthly consumption of petrol for first 3 months is 86l and the next 9 months it is 152l.Find the average consumption for the whole year.
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for three months= 861
total =3*861=2583 rs
for next 9 years=1521
total=1521*9=13689 rs
gran total=16272
average consumption= total/12 =16272/12
=1356 rs'
total =3*861=2583 rs
for next 9 years=1521
total=1521*9=13689 rs
gran total=16272
average consumption= total/12 =16272/12
=1356 rs'
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