Suraj has a certain average of runs for 8 innings. In the 9th innings he scores 90 runs thereby increasing his average by 6 runs. What is his average after the 9th innings?  Choose the correct answer
A) 42
B) 64
C) 36
D) 72
E) 27
To improve his average by 6 runs per innings he has to contribute 8 x 6 = 48 runs for the previous 8 innings.   Thus, the average after the 9th innings   = 90 - 48= 
<gadget id="calculator">90 - 48</gadget>
<output>42</output>
42.   42NSWER:42
<result>A</result>
Suraj has a certain average of runs for 8 innings. In the 9th innings he scores 90 runs thereby increasing his average by 6 runs. What is his average after the 9th innings?