Mathematics · Averages
The average marks of eight students in a Mathematics exam are 75. If the highest and lowest marks are removed, the average marks become 80. If the ratio of the highest marks to the lowest marks is 3 : 1, then the highest marks are what percentage of the sum of all the marks obtained by the eight students in the Mathematics exam?
- 112%
- 220%
- 315%✓
- 418%
Correct answer
15%
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