engineering recuitment GATE EE 2023-24 Test Series General Aptitude Numerical Ability Numerical Computation
Two alloys A and B contain gold and copper in the ratios of 2 : 3 and 3 : 7 by mass, respectively. Equal ratio of alloys A and B are melted to make an alloy C. The ratio of gold to copper in alloy C is ____.
1
5 : 10
2
7 : 13
3
6 : 11
4
9 : 13