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  5. Comparing Quantities

7th Class Mathematics Comparing Quantities Question Bank Ratio and Proportion, Percentage and S.I. and C.I.

  • question_answer
    The ratio of copper and zinc in an alloy is 6: 5. If the weight of the copper in the alloy is found to be 20.22 gm, then the weight of zinc in the alloy is _________.

    A) 15.75gm

    B) 17.25gm

    C) 16.85gm

    D) 19gm

    E) None of these

    Correct Answer: C

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