CBSE Class 9 Answered
Please provide the solution solution to question number 9
Asked by adityaahuja099 | 17 Oct, 2017, 04:24: PM
Expert Answer
Please note the density of gold given in the question is incorrect.
It is 19.32 gm/cc
Volume of copper + volume of the gold = volume of the crown
Loss in weight of the crown = 210 - 198=12gm
Volume of crown=12 cc (1 kg water have a volume of 1000 cc)
Let Xgold be the quantity of gold
Hence, quantity of copper = 210-Xgold
Xgold =193 gm
Answered by Gajendra | 05 Dec, 2017, 07:18: PM
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