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

Option 1)
$5 : 6$
Option 2)
$3 : 2$
Option 3)
$2 : 3$
Option 4)
$4 : 5$
Option 5)
$1 : 2$

Answers (1)

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Posted by

rishi.raj

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