In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to…
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In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quantity of water to be further added is:
- A.
20 litres
- B.
30 litres
- C.
40 litres
- D.
60 litres
Attempted by 41 students.
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Correct answer: D
Solution
Total mixture = 60 litres
Ratio (Milk : Water) = 2 : 1
Step 1: Find quantities
Total parts = 2+1=3
Milk = 2/3 * 60 = 40L
Water = 1/3 * 60 = 20L
Step 2: Add water = x
New ratio: 40 / (20 + x) = 1/2
Solve:
80 = 20 + x
x = 80-20 = 60