BANK CBI Sub Staff (Safai Karmachari) Mock Test 2024 Quantitative Aptitude Ratio and Proportion Simple Ratios
The ratio of copper and zinc in brass is 13 : 7. How much zinc will be there in 100 kg of brass?
1
45 kg
2
3.5 kg
3
40 kg
4
35 kg
5
None of these.