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Question

A cricketer has a mean score of 58 runs in 9 innings. Find how many runs are to be scored in the 10th inning to raise his mean score to 61.

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Solution

Dear Student,

Given , mean score in 9 innings=58we know , mean=total valuetotal count=x+y+z....nnlet total score in 9 innings be nn9=58n=58×9=522Now , we want to raise the mean score to 61 in 10 innings , let the score in 10th inning be x522+x10=61x=610-522x=88 the score in 10th inning=88

Regards

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