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A cricketer has a certain average of runs for his 8 innings. In the ninth innings, he scores 100 runs, thereby increases his average by 9 runs. His new average of runs is
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- 20
- 24
- 28
- 32
- 20
Correct Option: C
Let the average of runs of the cricketer in 8 innings be p .
According to the question,
| = p + 9 | ||
| 9 |
⇒ 8p + 100 = 9p + 81
⇒ p = 100 – 81 = 19
∴ New average of runs = 19 + 9 = 28
