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4.Average
medium
A batsman score $98$ runs in the $17^{\text {th }}$ match of his career. His average runs per match increase by $2.5$ What is his average before the $17^{\text {th }}$ match?
A
$58$
B
$60.5$
C
$63$
D
$55.5$
Solution
Average Score up to $16$ Match be $x$
$\frac{16 \times x+98}{17}=x+2.5$
$16 x+98=17 x+42.5$
$x=55.5$
Standard 13
Quantitative Aptitude
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