The average marks of 9 students in a group is 63. Three of them scored 78, 69, 48 marks. What are the average marks of the remaining students?
Question and options
The average marks of 9 students in a group is 63. Three of them scored 78, 69, 48 marks. What are the average marks of the remaining students?
- 63.5
- 64
- 63
- 62
Answer and explanation
Correct answer: D - 62
Total = 9 x 63 = 567. The three scores sum to 195. The remaining 6 total 372, average 62.
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CUSAT Three-Year LL.B.
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