A batsman makes a score of 90 runs in the 11th inning and thus increases his average by 5. Find his average after 11th inning.	Choose the correct choice from the following answers:  A) 40  B) 50  C) 62  D) 45  E) 56
Let the average after 11th inning = x   Then, average after 10th inning = x-5   10(x-5)+90 = 11x   x = 90-50= 
<gadget id="calculator">90-50</gadget>
<output>40</output>
40   40nswer is 40
<result>A</result>
A batsman makes a score of 90 runs in the 11th inning and thus increases his average by 5. Find his average after 11th inning.