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      Question

      The total strength of school A is 40% more than that of

      school B. In school A and B, out of total number of students, 25% and 30% respectively are girls. The number of boys in school A is how much percent more/less than that in school B?
      A 70% Correct Answer Incorrect Answer
      B 50% Correct Answer Incorrect Answer
      C 60% Correct Answer Incorrect Answer
      D 35% Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let the total number of students in school B be β€˜x’. Therefore, total number of students in school A = 1.4x Number of boys in school A = 0.75 Γ— 1.4x = 1.05x Number of boys in school B = 0.7x Required % = [(1.05x – 0.7x)/0.7x] Γ— 100 = 50%

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