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. Choose the correct choice from the following answers:	A) 36	B) 39	C) 42	D) 45	E) None of the above
Let the average after 17th inning = x.   Then, average after 16th inning = (x – 3).   ∴ 16(x – 3) + 87 = 17x or x = (87 – 48) = 39.   Answer 39
<result>B</result>
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.