"Gold  is 19 times a heavy as water and  copper is 9 times as heavy is water. In what ratio shou
Channel: Doubtnut
Date: 2020-04-12

"Gold
  is 19 times a heavy as water and
  copper is 9 times as heavy is water. In what ratio should these be mixed to
  get an alloy 15 times as heavy is waster?
`1:1`
b. `1:2`
c. `2:3`
d. `3:2`".