Question

the a cricketer whose bowling average is 12.4 us par bikat text 5 wickets for 26 runs and thereby decreases is average by 0.4 the number of wickets taken by him till the last night was

Answer 1

if wicket taken till last match = X
then , total runs up to last match = 12.4x
run given including this match , 12.4x + 26 with the average of 12 ...
so ,

so , (12.4x + 26 ) /x+5 = 12
= 12.4 + 26 = 12x + 60
= 0.4x = 34
85 is the answer .........