A) 13
B) 41
C) 49
D) 87
Correct Answer: B
Solution :
[b] Let the average of batsman after 11th innings = A \[\frac{\begin{align} & Total\,\,score\,\,made\,\,by\,\,bastman\,\, \\ & \,\,\,\,at\,\,the\,\,end\,\,of\,\,11th\,\,innings \\ \end{align}}{11}=A\] \[\therefore \]Total score after 11th innings =11 A \[Now,\,\,\frac{\begin{align} & Total\,\,score\,\,after\,\,11th\,\,inn\operatorname{ings}\, \\ & +score\,\,made\,\,in\,\,12th\,\,innings \\ \end{align}}{12}=A+2\]\[\Rightarrow 11\,\,A+63=(A+2)\times 12\] \[\Rightarrow 11A-12A=24-63\] \[\Rightarrow \,\,\,A=39\] 12th innings average = 39+2=41You need to login to perform this action.
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