state gov Patna High Court Assistant 2023 Mock Test Quantitative Aptitude Ratio and Proportion Compound Ratios
The ratio of the Gold and Copper in a mixture of 60 kg is 8 : 7. What will be the amount of Gold added to the mixture so that the ratio become 5 : 4?
1
8 kg
2
3 kg
3
7 kg
4
9 kg