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question_answer Discussion Board for a Question on Quiz: Mathematics (WAEC 2010)

37 Questions · Public · Objective · Quiz suitable for all ages

18 Click Here To Discuss Question

 

A casting is made up of Copper and Zinc. If 65% of the casting is Zinc and there are 147g of Copper. What is the mass of the casting?

Select 1 Option (1 Mks)
  • 320g
  • 420g
  • 520g
  • 620g
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