A player plays 9 innings. In 10th inning he scores 100 runs. Average increases by 8. Find new average?
- 30
- 28
- 32
- 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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