engineering recuitment Cochin Shipyard Executive Trainee Mechanical Mock Test Quantitative Aptitude Mixture Problems
60 kg of an alloy A is mixed with 80 kg of alloy B to get a new alloy. If alloy A has zinc and copper in the ratio 7 : 5 and alloy B has zinc and copper in the ratio 3 : 7, then what is the weight of zinc in the new alloy?
1
59 kg
2
46 kg
3
64 kg
4
69 kg