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10th Class Mathematics Pair of Linear Equations in Two Variables Question Bank MCQs - Pair of Linear Equations in Two Variables

  • question_answer
    A and B together can do a piece of work in 12 days, B and C together in 15 days. If A is twice as good a workman as C, then in how many days will B alone do it?

    A) 10 days

    B) 15 days

    C) 20 days

    D) 25 days

    Correct Answer: C

    Solution :

    [c] 20 days


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