Gold is 19 times as heavy as water and copper is 9 times as heavy as w – McqOptions

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1.	Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these be mixed to get an alloy 15 times as heavy as water ?
A.	1 : 1
B.	1 : 2
C.	2 : 3
D.	3 : 2
Answer» E.

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