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A batsman in his 12th inning makes a score of 80 runs and thereby increase his average score by 3. what is his average after the 12th inning?

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A batsman in his 12th inning makes a score of 80 runs and thereby increase his average score by 3. what is his average after the 12th inning? Answer: 47

Let old average = a Total runs before 12th inning = 11a After scoring 80: New average = a + 3 So: 11a+80/12=a+3 Multiply both sides by 12: 11a+80=12a+36 Bring terms together: 80−36=12a−11a Old average = 44 New average = 44 + 3 = 47

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.