defence exam BSF Constable (Tradesmen) 2023 Mock Test Quantitative Aptitude Mixture Problems To Make a Mixture from Two or More Things
In a alloy of 70 kg, the percentage of zinc in the alloy is 20% and rest is copper. If 10 kg of zinc is added and 6 kg of copper is extracted from the alloy, the ratio of zinc and copper in the alloy will be?
1
2 : 3
2
13 : 25
3
25 : 43
4
12 : 25