The ratios of copper to zinc in alloys A and B are 3 : 4 and 5 : 9, r…

Question

The ratios of copper to zinc in alloys A and B are 3 : 4 and 5 : 9, respectively. A and B are taken in the ratio 2 : 3 and melted to form a new alloy C. What is the ratio of copper to zinc in C?

Accepted Answer

Option D. 27 : 43. Answer & Solution Answer: Option D Solution: & A 3:4 = 7_ × 2 × 2 & B 5:9 = 14_ × 3 & Copper: Zinc & \,\,\,\,\,\,\,\,\,\,\,\, 12\,\,\, :\,\,\, 16 & \,\,\,\,\,\,\,\,\,\,\,\, 15\,\,\, :\,\,\, 27 & \,\,\,\,\,\,\,\,\,\, \,\,27\,:\,43\,\,