Average of 10 matches is 34, How many runs one should should score to increase his average by 5 runs. Answers
A) 70	B) 76	C) 78	D) 89	E) 88

Rationale: "explanation : average after 11 innings should be 39 so , required score = ( 11 * 39 ) - ( 10 * 34 ) = 429 - 340 = 89 answer : option d"
Answer: D