A milkman sells 120 litres of milk for ₹ 3,360 and he sells 240litres of milk for Rs. 6,120. How much concession does thetrader give per litre of milk, when he sells 240 litres of milk ?



[ A ]    ₹ 2
[ B ]    ₹ 3.5
[ C ]    ₹ 2.5 right
[ D ]    ₹ 1.5
[ E ]    None of these
Answer : Option C
Explanation :
500
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