The given Bar Graph presents the runs scored (A) and strike rate (B) of a batsman in five matches. Strike Rate is the number of runs scored per 100 balls faced. The strike rate (B) is taken on record only when the batsman scores at least 30 runs in a match.
How many runs the batsman should have scored in the fifth match in as many balls he had faced in that match so that the average strike rate of the second and the fifth match becomes 120 ?
Required average strike rate of the second and the fifth match =120
Total average strike rate of the second and the fifth match=$$120\times2=240$$
So, in fifth match we need average strike rate = 240 - 90 = 150
Hence, batsman have to score 150 runs in 100 balls to make average strike rate in second and fifth math 120.
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