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QA mixture of 150 liters of milk and water contains 20% water. How much should more water be added so that water becomes 25% of the new mixture?
ID: #7
Alligation or Mixture
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#7Q ID
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Alligation or MixtureTopic
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Correct Answer: Option D
Explanation
Total 150 liters of mixture exist.
Number of liters of water in the mixture is = 20% of 150 = 20/100 * 150 = 30 liters.
X liters of water added to the mixture to make water 25% of the new mixture.
Total amount of water becomes (30 + X) and total volume of mixture is (150 + X)
(30 + X) = 25/100 * (150 + X)
=> 120 + 4X = 150 + X
=> X = 10 liters.
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