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A player plays 9 innings. In 10th inning he scores 100 runs. Average increases by 8. Find new average?
  1. 30
  2. 28
  3. 32
  4. None of these
Explanation

Let old average after 9 innings = A  

Total runs after 9 innings = 9 × A

After 10th inning he scores 100  

New average = A + 8  

New total runs = 10 × (A + 8)

So: 9A + 100 = 10(A + 8)  

9A + 100 = 10A + 80  

100 - 80 = 10A - 9A  

20 = A

Old average = 20  

New average = 20 + 8 = 28


Last verified on 17-06-2026

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