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      Question

      What is Joy’s position in boys when counting from

      bottom? I. There are 80 students in the class and Joy is ranked fifteenth from the top, and there are 6 girls ahead of him. II. The ratio of number of girls to boys is 1:3. Each of the questions given below has one question and two statements marked I and II.   You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer.
      A If the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question. Correct Answer Incorrect Answer
      B If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question. Correct Answer Incorrect Answer
      C If the data either in statement I alone or in statement II alone is sufficient to answer the question. Correct Answer Incorrect Answer
      D If the data even in both the statement I and II together are not sufficient to answer the question Correct Answer Incorrect Answer
      E If the data in both statement I and II together are needed to answer the question Correct Answer Incorrect Answer

      Solution

      From both I & II, We know that the total number of students = 80 Number of girls = 80 X ¼ = 20 Number of boys = 80 X ¾ = 60 We know that 6 girls are ahead of him which means out of total 14 students ahead of Joy, 6 are girls and 14-6 =8 are boys. Thus, 8 boys are ahead Joy + 1 Joy = 9 Total boys = 60 60 – 9 = 51 = Number of boys behind Joy. Thus, Joy is 52nd from the bottom.

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