Question
There is 200 litres of mixture of milk and water in a
jar. The ratio of quantity of milk to water in the jar is 7:5, 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 23 litres. Find the value of lsquo;xrsquo;Solution
Let the quantity of milk and water left in the jar be 7a litres and 5a litres, respectively According to the question, 7a ndash; 5a = 23 =gt; a = 11.5 Therefore, quantity of mixture left in the jar = 7a + 5a = 12a = 138 litres Therefore, quantity of mixture taken out = 200 ndash; 138 = 62 litres =gt; x = 62
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