Teaching Chandigarh JBT PRT Mock Test 2023-24 Quantitative Aptitude Mixture Problems To Make a Mixture from Two Mixtures
A and B are the two alloys of copper and brass prepared by mixing metals in the proportion of 7 : 2 and 7 : 11, respectively. If equal quantities of the two alloys are melted to form a third alloy C, then the proportion of copper and brass in C will be:
1
7 : 5
2
4 : 9
3
9 : 4
4
5 : 7