Question

From a tank of petrol, which contains 300 litres of petrol initially, the seller sells 60 litres of petrol (or its mixture) each time and replenishes the tank with kerosene. Every time he sells out only 60 litres of petrol (pure or impure). After replacing the petrol with kerosene for the 4th time, the total amount of kerosene in the mixture is

Answer 1

Answer:

Tank contains 300 liters of petrol

Seller sells 60 liters each time and replace kerosene

For fourth time the petrol sell by seller =60×4=240 lt

So 240 lt of kerosene was their in the tank