state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 Quantitative Aptitude Average

The average marks of eight students is 7. It was found that marks of one student was taken as 10 instead of 6. Find the correct average. 

1
6.5 
2
7.5
3
7
4
6.8
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