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A batsman makes 100 runs in the 25th match of his career. His average runs per match increases by 1.4. Find his average before the 25th match.1). 652). 553). 754). 45 |
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Answer» ⇒ Sum of score before 25th MATCH = 24 × t ⇒ Sum of score after 25th match = 24t + 100 ⇒ Average after 25th match = (24t + 100)/25 ATQ, ⇒ t + 1.4 = (24t + 100)/25 ⇒ 24t + 100 = 25t + 35 ⇒ t = 65 ∴ His average before 25th match is 65. |
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