<![CDATA[There are 100 students in 3 sections A, B and C of a class. The average marks of all the three sections was 84. The average of B and C was 87.5 and the average marks of students in A section was :]]>Answer : 1 20 Explanation : Answer: A) 20 Explanation: Numbers of students in section A = x ∴ Numbers of students in section B and C = (100 – x) ∴ x 70 (100 – x) 87.5 = 84 100 =
]]>https://forums.examsbook.com/topic/2960/there-are-100-students-in-3-sections-a-b-and-c-of-a-class-the-average-marks-of-all-the-three-sections-was-84-the-average-of-b-and-c-was-87-5-and-the-average-marks-of-students-in-a-section-wasRSS for NodeMon, 19 Apr 2021 05:49:51 GMTThu, 06 Sep 2018 12:45:19 GMT60<![CDATA[Reply to There are 100 students in 3 sections A, B and C of a class. The average marks of all the three sections was 84. The average of B and C was 87.5 and the average marks of students in A section was : on Invalid Date]]>Answer : 1 20 Explanation : Answer: A) 20 Explanation: Numbers of students in section A = x ∴ Numbers of students in section B and C = (100 – x) ∴ x 70 (100 – x) 87.5 = 84 100 =
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