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A batsman has a certain average runs for 11 innings . In the 12th innings he made a score of 90 runs and thereby decrease his average by 5 . His average after 12th innings is ?

Asked Sep 07, 2023 Modified Sep 07, 2023 Viewed 0 times

Mathematics

asked Sep 07, 2023 at 09:12

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Let the average for first 11 innings is y From question 11y + 90 = (y - 5) x 12 ⇒ y = 150 ∴ Average after 12th inning = (150 - 5)= 145

answered Sep 07, 2023 at 09:12

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