A batsman makes a score of 300 runs in the 17th inning and thus increases his averages by 10. What is his average after 17th inning?  Choose the correct choice from the following:  A) 39  B) 140  C) 42  D) 40.5  E) 41.5
let the average after 16th inning =x   then total run after 16th inning=16x   then total run after 17th inning=16x+300   then average run after 17th inning=(16x+300)/17   (16x+300)/17=x+10 =&gt; 16x+300 = 17x+170   x=130   average after 17th inning =130+10= 
<gadget id="calculator">130+10</gadget>
<output>140</output>
140   ANSWER:140
<result>B</result>
A batsman makes a score of 300 runs in the 17th inning and thus increases his averages by 10. What is his average after 17th inning?