Question

A cricketer has a certain average for 8 innings. In the next innings, he scored 80 runs, there by increasing his average by 5 runs. Find his new average ? [ ] a) 40 b) 42 c) 45 d) 30 It was found later that an observation 52 was wrongly taken as 22​

Answer 1

let the average of runs for his 8 innings = x

According to the question

8x+1009=x+9

8x + 100 = 9x + 81

x = 19

∴ his new average of runs = 19 + 9 = 28

Answer 2

Answer:

40 is the correct answer.

Hope it helps.