state gov PSTCL/PSPCL Clerk Mock Test 2021 Quantitative Aptitude Mixture Problems To Make a Mixture from Two Mixtures
In an alloy, the ratio of tin to lead is 9 : 7. If 2 kg of lead is melted with molten 64 kg of this alloy, then the new ratio of tin to lead when the mixture hardens is
1
5 : 4
2
6 : 5
3
7 : 6
4
8 : 7