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Sachin Tendulkar has a certain average for 11 innings. In the 12th innings he scores 120 runs and thereby increases his average by 5 runs. His new average is :
Answer & Solution
Correct Answer:
Option
C
Let the average of '11' innings is = x
According to the question,
$$\frac{{11x + 120}}{{12}} = x + 5$$
11x + 120 = 12x + 60
x = 60
∴ His new average
= 60 + 5
= 65
According to the question,
$$\frac{{11x + 120}}{{12}} = x + 5$$
11x + 120 = 12x + 60
x = 60
∴ His new average
= 60 + 5
= 65
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