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InterviewSolution
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40 litre of milk contains 10% water. what quantity of water must be added so that it may contain 20% water. |
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Answer» 40 litre of milk contains 10% water so water is 40×10/100 = 4 litre if we add 5 litre of water then total water 4+5 = 9 litre and total solution 40+5 = 45 so water percentage 9*100/45 = 20% so 5 litre water need to add . |
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