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© examsnet.com
Question : 19
Total: 40
A class test was conducted in Class V consisting of 35, 42 and 29 students in Section A, B and C respectively. The average score of Section A was 40 marks, B was 45 marks and C was 48 marks. Find the average marks of all the sections.
44
44.17
34.17
39.60
42.50
Validate
Solution:
👈: Video Solution
Total score of Section A = 35 × 40 = 1,400
Total score of Section B = 42 × 45 = 1,890
Total score of Section C = 29 × 48 = 1,392
∴ Average marks of all the sections
=
1
,
400
+
1
,
890
+
1
,
392
35
+
42
+
29
=
44.17
© examsnet.com
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