A cricketer had a certain average of runs for his 64 innings. In his 65th innings, he is bowled out for no score on his part. This brings down his average by 2 runs. His new average of runs is :
A. 130
B. 128
C. 70
D. 68
Show Answer
Answer-B
Solution-
Solution(By Apex Team)
Let the average of runs for his 64 innings = x
∴ According to the question,
$\begin{array}{l}\frac{64x+0}{65}=x-2\\
64x=65x-130\\
x=130\\
\text{∴ His new average is }\\
=130-2\\
=128\end{array}$