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प्रश्न
The average marks of a student in ten papers are 80. If the highest and the lowest score are not considered the average is 81. If his highest score is 92, what is the lowest score?
पर्याय
55
60
62
61
MCQ
उत्तर
60
Explanation:
Total marks in 10 papers = 10 × 80 = 800
Total marks in 8 papers = 8 × 81 = 648
Total marks in 2 papers = 800 – 648 = 152
Let 1st no be x
x + 92 = 152
x = 60
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