A man whose bowling average is 12.4, takes 4 wickets for 26 runs and there by decreases his average by 0.4. the number of wickets taken by him before his last match is?  Pick one:
A) 53
B) 54
C) 55
D) 56
E) 57
12.4*x+26=(4+x)12   solve equation x=55   ANSWER:55
<result>C</result>
A man whose bowling average is 12.4, takes 4 wickets for 26 runs and there by decreases his average by 0.4. the number of wickets taken by him before his last match is?