A batsman makes a score of 300 runs in the 17th inning and thus increases his averages by 10. What is his average after 17th inning?	Choose the correct choice from the following choices
A) 39 B) 140 C) 42 D) 40.5 E) 41.5

Rationale: "let the average after 16 th inning = x then total run after 16 th inning = 16 x then total run after 17 th inning = 16 x + 300 then average run after 17 th inning = ( 16 x + 300 ) / 17 ( 16 x + 300 ) / 17 = x + 10 = > 16 x + 300 = 17 x + 170 x = 130 average after 17 th inning = 130 + 10 = 140 answer : b"
Answer: B