Question
There is 100 litres of mixture of milk and water in a
jar. The ratio of quantity of milk to water in the jar is 5:3, respectively. If lsquo;xrsquo; litres of mixture is taken out from the jar then the difference between quantity of milk and water left in the jar is 21 litres. Find the value of lsquo;xrsquo;Solution
Let the quantity of milk and water left in the jar be 5a litres and 3a litres, respectively According to the question, 5a ndash; 3a = 21 =gt; a = 10.5 Therefore, quantity of mixture left in the jar = 5a + 3a = 8a = 84 litres Therefore, quantity of mixture taken out = 100 ndash; 84 = 16 litres =gt; x = 16
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