Mathematics · Averages
The table below shows the marks obtained by three students before and after studying mathematics in a group: | Name | Marks before group study (out of 100) | Marks after group study (out of 100) | |---|---|---| | Mansi | 67 | 79 | | Harman | 54 | 60 | | Faisal | 63 | 74 | What are the approximate average marks obtained by all three students together before and after studying in a group, respectively?
- 173.20, 64.77
- 271.00, 61.33
- 361.33, 71.00✓
- 464.77, 73.20
Correct answer
61.33, 71.00
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