# 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 [ D ]    ₹ 1.5 [ E ]    None of these
 Answer : Option C Explanation :