The ratio of petrol and kerosene in the container is 3:2 when 10 liters of the mixture is taken out and is replaced by the kerosene, the ratio become 2:3. Then total quantity of the mixture in the container is:	Choose the correct choice from the following choices.
A) 33
B) 30
C) 38
D) 37
E) 27
Explanation:   pool : kerosene   3 : 2(initially)   2 : 3(after replacement)   \frac{Remaining\: (or \: left) \: quantity}{initial\: quantity}=\left ( 1-\frac{replaced\: quantity}{total\: quantity} \right )   (for petrol) \frac{2}{3}=\left ( 1-\frac{10}{k} \right )   \Rightarrow \frac{1}{3}=\frac{10}{K}   \Rightarrow K=30l   Therefore the total quantity of the mixture in the container is 30 liters.   Answer: 30) 30
<result>B</result>
The ratio of petrol and kerosene in the container is 3:2 when 10 liters of the mixture is taken out and is replaced by the kerosene, the ratio become 2:3. Then total quantity of the mixture in the container is: