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What was the average number of runs in the last 30 overs only?

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In a cricket match the average number of runs per over in the first 20 overs was three.

After a further 30 overs the average number of runs rose to seven.

What was the average number of runs in the last 30 overs only?

posted Jun 16, 2018 by Mishthy Mukherjee

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