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1. In a sugar-water solution, the ration of water to sugar is 8 : 3. If you add 2 Kgs of sugar, the ratio becomes 2 : 1. What was the amount of sugar in the original solution?
- A. 4.5
- B. 4.5
- C. 4.5
- D. 4.5
Answer: Option D
Explanation:
W : S = 8 : 3
W/S = 8/3
3W = 8S
Again, W/(s + 2) = 2/1
1W = 2s + 4
3W = 6S + 12
8S = 6S + 12
S = 6
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