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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-19

  • question_answer
    Zinc and copper are melted together in the ratio\[9:11\]. What is the weight of melted mixture, if \[28.8\text{ }kg\]of zinc has been consumed in it?

    A)  58kg                           

    B)  60kg               

    C)  64kg                           

    D)  70kg

    Correct Answer: C

    Solution :

    For 9 kg zinc, mixture melted\[=(9+11)kg.\] For \[28.8\text{ }kg\]zinc, mixture melted \[=\left( \frac{20}{9}\times 28.8 \right)kg=64kg.\]


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