alleryMilk and water are mixed 3:2 to make 20 litres. How many litres of water are in it?
A6
B8
C12
D10
Answer & Solution
Correct answer: B. 8
1. Total parts are 3 + 2 = 5.
2. Water is 2/5 of the mixture.
3. 2/5 of 20 = 8 litres; 12 litres is the milk.
_Source: Wikipedia, Ratio, Proportions and percentage ratios_
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