Question
150 litres of a mixture contains 30% milk and rest
water. If ‘x’ litres of milk is added into the mixture then quantity of water in the final mixture becomes 30% of total quantity of mixture. Find the value of ‘x’.Solution
Quantity of milk in the initial mixture = 150 × 0.30 = 45 litres Quantity of water in the initial mixture = 150 – 45 = 105 litres Quantity of water is unchanged in the final mixture. So, Quantity of final mixture = (105/30) × 100 = 350 litres Quantity of milk in final mixture = 350 – 105 = 245 litres Value of ‘x’ = 245 – 45 = 200
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