Question

a batman has a certain average runs for 11 innings in the 12 inning he made a score of and thete by decreaseshis average by 5 his average after 12 inning is ?​

Answer 1

let the average of 11 innings is = x

According to the question

11x+12012=x+511x+12012=x+5

11x + 120 = 12x + 60

x = 60

hope it helps!!!!