Statement–I: The average marks of boys in a class is 52 and that of girls is 42 . The…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
Statement–I: The average marks of boys in a class is 52 and that of girls is 42 . The average marks of boys and girls combined is 50 . The percentage of boys in the class is 80%.
Statement–II: Mean marks scored by the students of a class is 53 . The mean marks of the girls is 55 and the mean marks of the boys is 50 . The percentage of girls in the class is 64%.
Statement–II: Mean marks scored by the students of a class is 53 . The mean marks of the girls is 55 and the mean marks of the boys is 50 . The percentage of girls in the class is 64%.
- Only statement I is true
- Only statement II is true
- Both statements are true
- Both statements are false
Answer
(C) Both statements are true
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