Alloys A and B contain copper and zinc in the ratio 7 : 8 and 4 : 1, respectively. In what ratio should A and B obtain a new alloy C containing copper and zine in the ratio 2 : 1?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 2 : 3.
Ratio = 2/15 : 1/5 = 2 : 3