How much Aluminum Powder should be Added to the Mixture :

In 2 kg mixture of copper and aluminum, 30% is copper. How much aluminum powder should be added to the mixture so that the proportion of the copper becomes 20%?

  1. 1000 gms
  2. 800 gms
  3. 1200 gms
  4. 900 gms

Anurag Mishra Professor Asked on 3rd November 2015 in Maths.
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  • 1 Answer(s)

    Answer: (1) 1000 gms

    Anurag Mishra Professor Answered on 15th November 2015.
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