A batsman makes a score of 87 runs in the 17th match and thus increases his average by 3. Find his
average after 17th match Pick
A) 36 B) 37 C) 38 D) 39 E) 35

Rationale: "explanation : let the average after 17 th match is x then the average before 17 th match is x - 3 so 16 ( x - 3 ) + 87 = 17 x = > x = 87 - 48 = 39 option d"
Answer: D