A crown made of gold and copper weight 210 g in air and 198 in.water
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•A crown made of gold and copper weighs 210 gm in air and 198 gm in water. The weight of gold in crown is•(a) 93 gm (b) 100 gm (c) 150 gm (d) 193 gm•Given: density of gold = 19.3 gm/cm3•and density of copper 8.5 gm/cm3
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