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  1. In an alloy there is 12% of copper. To get 69 kg of copper, how much alloy will be required ?
    1. 424 kg
    2. 575 kg
    3. 828 kg
    4. 1736
      2
      		kg
      3
Correct Option: B

∵ 12 kg copper is contained in 100 kg of alloy
69 kg copper is contained in

∴
100
× 69 = 575 kg of alloy
12


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