A jeweller mixes pure and impure gold while making omaments. His first jewellery set contains only 65% of pure gold The ratio of pure and impure gold in his second jewellery set is 17 : 3. In what rabo should the two
jewellery sets be melted and mixed so that the new jewellery formed contains 4 times as much pure as impure gold?
O 1) 1:3
O2) 2:3
O 3) 4:5
O4) None of these
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Answer:
2:3
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