Statisticshard · Past Paper
A cricketer has a mean score of 50 in 10 innings. How many runs must he score in the 11th inning to raise his mean to 55?
A100
B105
C110
D55
✓ Correct Answer: B — 105
Current total = 500. Needed total = 55 * 11 = 605. Required = 605 - 500 = 105.
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