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1. what is the total number of students (male and Female) in the class? I. the average weight of the students of the class is 61.08 kg. the average weight of male students is 63 kg and the average weight of the female students is 59 kg. The difference between number of male students and number of female students is 3. II. The respective ratio of number of male students and number of female students in the class is 13:12.






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