Suraj has a certain average of runs for 16 innings. In the 17th innings he scores 112 runs thereby increasing his average by 6 runs. What is his average after the 17th innings?  Choose the correct choice:
A) 18  B) 25  C) 16  D) 72  E) 27

Rationale: "to improve his average by 6 runs per innings he has to contribute 16 x 6 = 96 runs for the previous 16 innings . thus , the average after the 17 th innings = 112 - 96 = 16 . answer : c"
Answer: C