Question 115
A batsman scores 92 runs in the $$15^{th}$$ inning and thusincreases his average by 4. What is his averageafter the $$15^{th}$$ inning?
Solution
Let the average after $$14^{th}$$ inning =$$ x $$
then total = $$14x$$
According to question $$14x+92= (x+4)15 $$
$$\Rightarrow 14x + 92 = 15x+ 60 $$
$$\Rightarrow 92 - 60 = 15x - 14x $$
$$\Rightarrow x = 32 $$
so average after $$15^{th}$$ inning 32 + 4 = 36 Ans
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