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    • Question

      ‘m’ varies directly with ‘n’. When m = 40, the

      value of ‘n’ is 10% more than ‘m’. Find the value of ‘m’ when n = 77.
      A 70 Correct Answer Incorrect Answer
      B 90 Correct Answer Incorrect Answer
      C 55 Correct Answer Incorrect Answer
      D 25 Correct Answer Incorrect Answer

      Solution


      ATQ,

      M = k × n (Where ‘k’ is proportionality constant)

      ATQ;

      40 = k × (1.1 × 40)

      Or, k = (10/11)

      So, required value = (10/11) × 77 = 70

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