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
Options:
A . 24
B . 32
C . 20
D . 28
Answer: Option D Answer: (d)Let the average of runs of the cricketer in 8 innings be x . According to the question, ${8x+100}/9$=x+9⇒ 8x + 100 = 9x + 81 ⇒ x = 100 – 81 = 19 ∴ New average of runs = 19 + 9 = 28
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