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A Batsman Makes A Score Of 87 Runs In The 17th Inning And Thus Increases His Averages By 3. What Is His Average After 17th Inning? |
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Answer» Let the average after 17 INNINGS = X Total runs scored in 17 innings = 17x Average after 16 innings = (x-3) Total runs scored in 16 innings = 16(x-3) Total runs scored in 16 innings + 87 = Total runs scored in 17 innings => 16(x-3) + 87 = 17x => 16x - 48 + 87 = 17x => x = 39. Let the average after 17 innings = x Total runs scored in 17 innings = 17x Average after 16 innings = (x-3) Total runs scored in 16 innings = 16(x-3) Total runs scored in 16 innings + 87 = Total runs scored in 17 innings => 16(x-3) + 87 = 17x => 16x - 48 + 87 = 17x => x = 39. |
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