How many litres of water should be added to 25 litres of milk costing Rs. 12 per litre, so that by selling the mixture at the cost price, profit of 20% is made ? Option 1) 3 litresOption 2) 5 litresOption 3) 8 litresOption 4) 10 litresOption 5) 2 litres

CP of milk = 12

CP of mixture =

Water                Milk

X                      25L
10

2          :           10

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