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      Question

      The number of boys and girls in a school is 250 and 360

      respectively. 20% of boys left the school while 30 girls took admission in the school. Find the new ratio of boys to girls in the school.
      A 7:15 Correct Answer Incorrect Answer
      B 20:39 Correct Answer Incorrect Answer
      C 4:9 Correct Answer Incorrect Answer
      D 17:30 Correct Answer Incorrect Answer

      Solution

      Required ratio = (0.80 x 250) : (360 + 30) = 200:390 = 20:39

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