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      Question

      If 50% of β€˜r’ is equal to 4 times 30% of β€˜s’,

      and β€˜r’ is 60% of 300, what is the value of β€˜s’?
      A 75 Correct Answer Incorrect Answer
      B 50 Correct Answer Incorrect Answer
      C 48 Correct Answer Incorrect Answer
      D 35 Correct Answer Incorrect Answer

      Solution

      ATQ,

      r = 300 Γ— 0.6 = 180

      According to the question,

      180 Γ— 0.5 = 4s Γ— (30/100)

      Or, 90 = 4s Γ— 0.3

      Or, 90 = 1.2s

      Or, s = 90 / 1.2 = 75

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