A batsman in his 12th innings makes a score of 80 and thereby increases his average by 3 runs. What is his average after the 12th innings if he had never been ‘not out’?
Choose the most appropriate option.
A) 42 B) 43 C) 44 D) 45 E) 47

Rationale: let ‘ x ’ be the average score after 12 th innings ⇒ 12 x = 11 × ( x – 3 ) + 80 ∴ x = 47 answer e
Answer: E