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In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average marks of the girls ?
    Correct answer is '65'. Can you explain this answer?
    Verified Answer
    In a class of 100 students there are 70 boys whose average marks in a ...
    Number of girls = 100 - 70 = 30

    Total marks of 100 students = 100 x 72 = 7200

    Total marks of 70 boys = 70 x 75 = 5250

    This implies that total marks of 30 girls = 7200 - 5250 = 1950

    Therefore, average marks of girls = 1950/30 = 65
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    In a class of 100 students there are 70 boys whose average marks in a ...
    No of girls= 100-70=30Total marks of girls=(72*100)-(70*75)=1950Avg Marks of girl =1950/30 =65
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    In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average marks of the girls ?Correct answer is '65'. Can you explain this answer?
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    In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average marks of the girls ?Correct answer is '65'. Can you explain this answer? for IIT JAM 2024 is part of IIT JAM preparation. The Question and answers have been prepared according to the IIT JAM exam syllabus. Information about In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average marks of the girls ?Correct answer is '65'. Can you explain this answer? covers all topics & solutions for IIT JAM 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average marks of the girls ?Correct answer is '65'. Can you explain this answer?.
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