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CAT 1997 | Question: 117

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The average marks of a student in ten papers are $80$. If the highest and the lowest scores are not considered, the average is $81$. If his highest score is $92$, find the lowest.

  1. $55$ 
  2. $60$ 
  3. $62$
  4. Cannot be determined

1 Answer

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1 1 vote
Total marks = 80 * 10 = 800

Total if highest and lowest marks are not considered = 81 * 8 = 648

Highest mark + Lowest mark = 800 - 648 = 152

Lowest mark = 152 - 92 = 60 (Option B)
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