Question 20: Shubhi saw a beautiful ring which was made of Electrum. Electrum is an alloy
of gold and silver with a small amount of other metals and is white in colour.
The ratio of gold and silver in a sample of electrum is 9:7.If the weight of the silver in that
sample of alloy is 9.8 kg. Then, what is the weight of the gold in the alloy?
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Answer:
12.6kg........................
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