Management Aptitude Test Sep 2020 Paper

For Company Q
Per cent change in $2010=\frac{70-50}{50}\times 100\%$
$=\frac{20}{50}\times 100\%=40\%$
Per cent change in $2011=\frac{70-70}{70}\times 100\%=0$
Per cent change in $2012=\frac{80-70}{70}\times 100\%$
$=\frac{10}{70}\times 100\%=\frac{100}{7}\%$
Percent change in $2013=\frac{100-80}{80}\times 100\%$
$=\frac{20}{80}\times 100\%=25\%$
From above we can say that change in production in Company $\mathit{Q}$ is in the year 2010 is maximum.