Question

There ate three containers having equal quantities are filled with the mixture of zinc and lead in the proportion of 4:3,1:2 and 3:4 respectively.All the three mixture are mixed in the fourth container then the ratio of zinc and lead in the fourth container is

Answer 1

If these equally amount of two alloys are melted and made alloy C. What will be the ratio of gold and copper in alloy C? a) 25 : 23 b) 33 : 25 c) 15 : 17 d) 17 : 15.