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in a 90 kg non ferrous casting containing copper Tin and Zinc in the ratio of 6:3:1 the weight of copper is |
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Answer» Answer: 54kg Explanation: LET the unknown quantity of CU , Sn and Zn be 6x , 3x & x . 6x + 3x + x = 90kg 10x = 90 KG X = 90/10 = 9 Cu = 6x = 6×9 = 54 kg So, Cu WEIGHT is 54 kg. |
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