A batsman makes a score of 87 runs in the 17th ining and thus increases his average by 3. What is his average after 17th innings?

A batsman makes a score of 87 runs in the 17th ining and thus increases his average by 3. What is his average after 17th innings? Correct Answer 39

Let the average after 17th match is x then average before 17th match is x – 3 So, 16(x – 3) + 87 = 17x <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>&#x21D2;</mo></math> x = 87 – 48 = 39
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