In which city, Industrial revolution started first
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Multiple Choice Question
A mixture of 40 litres of milk and water contains 10% water. How much water must be added to make 20% water in the new mixture?40 लीटर दूध और पानी के मिश्रण में 10% पानी है। नए मिश्रण में 20% पानी बनाने के लिए कितना पानी मिलाया जाना चाहिए?
Explanation:
Milk = 36L, Water = 4L. Let x litres of water be added. New water % = (4+x)/(40+x) = 20/100. Solving gives x = 5.
दूध = 36 लीटर, पानी = 4 लीटर। माना x लीटर पानी मिलाया गया। (4+x)/(40+x) = 1/5 => x = 5 लीटर।
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This question belongs to the set "Reasoning & General Studies Practice Test #1 for VDO, Patwari, Lekhpal". Click below to read detailed notes and attempt the full quiz.
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