Having scored 99 runs in the 19th inning, a cricketer increases his average score by 4. What will be his average score after 19 innings?
Choose the correct choice from the following answers:  A) 28  B) 27  C) 26  D) 22  E) 24

Rationale: explanation : let the average score of the first 18 innings be n 18 n + 99 = 19 ( n + 4 ) = > n = 23 so , average score after 19 th innings = x + 4 = 27 . answer : b
Answer: B