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Gold is 19 times as heavy as water and copper 9 times. In what ratio should these metals be mixed that the mixture may be 15 times as heavy as water?

A.	1:2	B.	2:1
C.	2:3	D.	3 : 2

Answer and Explanation

Answer:3 : 2

Explanation:
Quantity of Metal Gold=19, Copper = 9;
Resultant = 15
Proportion 6 : 4
Gold : Copper = 6 : 4 = 3 : 2

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