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

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1.	Gold is 19 times as heavy as water and copper 9 times as heavy as water. The ratio in which these two metals be mixed so that the mixture is 15 times as heavy as water is ?
A.	1 : 2
B.	2 : 3
C.	3 : 2
D.	19 : 135
Answer» D. 19 : 135

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