Question
Quantitative Aptitude Question on Ratio and Proportion
In an alloy of Zinc and Copper, the ratio of Zinc and Copper is 3:2. 70 kg of this alloy is taken. Through a chemical process, 30 kg of this mixture is taken out such that the removed mixture has Zinc and Copper in the ratio 2:1. What will be the ratio of Zinc and Copper in the remaining mixture?
A
5:4
B
11:9
C
11:7
D
9:7
Answer
11:9
Explanation
Solution
The correct answer is (B);11:9