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1. |
Q: What is the quantity of water should be added to a 75 litre mixture of milk and water so that the percentage of milk in the mixture decrease from 75% to 45%? |
A. | 50 litre |
B. | 75 litre |
C. | 25 litre |
D. | 40 litre |
Answer» B. 75 litre | |