state gov Bihar SSC (BSSC) Inter Level Mock Test 2024 - 25 Quantitative Aptitude Mixture Problems To Make a Mixture from Two Mixtures
In two alloys the ratios of copper to tin are 3 : 4 and 1 : 6 respectively. If 7 kg of the first alloy and 21 kg of the second alloy are mixed together to form a new alloy, then the ratio of copper to tin in the new alloy is:
1
3 : 11
2
1 : 4
3
3 : 7
4
4 : 11