ABC26GN1515 · Average

Subject: General Aptitude · Chapter: Average · Exam: · Marks: · Difficulty:

A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.
Answer
Answer (as printed):
Explanation
Let the average after 17th inning = x. Then, average after 16th inning = (x – 3). ∴ 16 (x – 3) + 87 = 17x or x = (87 – 48) = 39.

Explanation as extracted from the printed page; notation may be imperfect.

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