1. A milkman sells 120 litres of milk for Rs. 3,360/- and he sells 240 litres of milk for Rs. 6,120/- How much concession does the trader give per litre of milk, when he, sells 240 litres of milk?
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By: anil on 05 May 2019 01.26 am
Case I : Milkman sells 120 litres of milk for Rs. 3,360/- => S.P. per litre = Rs. $$frac{3360}{120}$$ = Rs. 28 Case II : Milkman sells 240 litres of milk for Rs. 6,120/- => S.P. per litre = Rs. $$frac{6120}{240}$$ = Rs. 25.5 $$ herefore$$ Required discount = Rs. (28 - 25.5) = Rs. 2.5
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