engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Quantitative Aptitude Ratio and Proportion
72 kg of alloy A is mixed with 70 kg of alloy B to obtain a new alloy. If the ratio of zinc and copper in alloy A is 3 : 6 respectively and in alloy B the ratio of zinc and copper is 4 : 3 respectively, then what is the weight of zinc in the new alloy?
1
44 kg
2
64 kg
3
78 kg
4
84 kg