Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Quantitative Aptitude Ratio and Proportion Simple Ratios
In an alloy of German silver, the ratio of copper to zinc was 21 : 16 while that of nickel to zinc was 7 : 24 What was the ratio of copper to zinc to nickel in the alloy?
1
21 : 16 : 7
2
17 : 21 : 4
3
63 : 48 : 14
4
68 : 28 : 21