A cricketer whose bowling average is 12.4 runs per wicket takes 5 wickets for 26 runs and there by decreases his average by 0.4. The number age of the family now is?  Choose the correct answer.
A) 17 B) 98 C) 88 D) 85 E) 83
Let the number of wickets taken till the last match be x. Then,   (12.4x + 26)/(x + 5) = 12   = 12.4x + 26 = 12x + 60   = 0.4x = 34   = x = 340/4= 
<gadget id="calculator">340/4</gadget>
<output>85</output>
85.   Answer: 85
<result>D</result>
A cricketer whose bowling average is 12.4 runs per wicket takes 5 wickets for 26 runs and there by decreases his average by 0.4. The number age of the family now is?