Subject
Bank Exam
Topic
এনআরবিসি ব্যাংক (টিএও) - ২৬.১০.২০২৪
A batsman makes a score of 80 runs in the 16th innings and increase average by 3. What is his average after 16th innings?
A batsman makes a score of 80 runs in the 16th innings and increase average by 3. What is his average after 16th innings?
ক)
25খ)
29গ)
32ঘ)
35Explanation
মনেকরি, 16 তম ইনিংসের আগে অর্থাৎ 15 তম ইনিংসে গড় রান = x ∴ মোট রান = 15x আবার, 16 তম ইনিংস শেষে গড় রান = x + 3 ∴ 16 তম ইনিংসে মোট রান = 16(x + 3) প্রশ্নমতে, 16(x + 3) - 15x = 80 ⇒16x + 48 - 15x = 80 ⇒ x = 32 ∴ 16 তম ইনিংস শেষে গড় রান = 32 + 3 = 35Related questions
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