BANK Nainital Bank Clerk Mock Test Series 2024 Quantitative Aptitude Ratio and Proportion Simple Ratios
The ratio of Iron and Zinc in 3 types of alloy of equal quantity is 2 ∶ 3, 4 ∶ 5 and 2 ∶ 1 respectively. If all 3 alloys are mixed together, what is the ratio of Iron and Zinc the new mixture?
1
67 ∶ 68
2
63 ∶ 67
3
68 ∶ 67
4
67 ∶ 60
5
65 ∶ 64