A batsman makes a score of 200 runs in the 17th inning and thus increases his averages by 10 What is his average after 17th inning?
Answers:
A) 39	B) 35	C) 42	D) 40	E) 41.5
let the average after 16th inning =x   then total run after 16th inning=16x   then total run after 17th inning=16x+200   then average run after 17th inning=(16x+200)/17   (16x+200)/17=x+10 = &gt; 16x+200 = 17x+170   x=30;   average after 17th inning =30+10= 
<gadget id="calculator">30+10</gadget>
<output>40</output>
40   ANSWER:40
<result>D</result>
A batsman makes a score of 200 runs in the 17th inning and thus increases his averages by 10 What is his average after 17th inning?