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3rd Class Mathematics Measurement Length, Weight and Capacity Question Bank Length, Weight, Quantity, Time and Temperature

  • question_answer
    The weight of a big metal ball is 45 kg. What is the weight of a small metal ball?

    A)  12 kg                           

    B)  10 kg               

    C)         15 kg               

    D)         30 kg

    Correct Answer: C

    Solution :

    Weight of a big metal ball = 45 kg Weight of 10 small metal ball = weight of 4 small metal ball + weight of 2 big metal ball. 10 \[\times \] weight of 1 small metal ball \[-\] 4 \[\times \] weight of 1 small metal ball \[=45\times 2\] 6 \[\times \] weight of 1 small metal ball = 90 Weight of 1 small metal ball \[=90\div 6=15\]kg So, weight of 1 small metal ball = 15 kg


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