QA – Placement Quizzes | Ratio and Proportion | Question 4

The ratio 5:3 represents 16 liters of a mixture containing milk and water. If 4 liters of water is added and 4 liters of milk is extracted from the mixture, then the ratio of the mixture will be:
(A) 7:3
(B) 5:6
(C) 2:3
(D) None of these


Answer: (D)

Explanation: Amount of Milk in 16 litres of mixture: (5/8) x 16 = 10 litres
Amount of Water in 16 litres of mixture: 16-10 = 6 litres
If we add 4 litres of water and extract 4 litres of milk, the total volume remains the same.
Amount of Milk in 16 litres of new mixture: = 10 – 4 = 6 litres
Amount of Water in 16 litres of new mixture: = 6 + 4 = 10 litres
So, the new ratio becomes 3:5.

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