Question

What was the approximate percentage decrease in the number of cars of basic model produced by company B in the year 2009 as compared to the previous year?

• A. $15\%$
• B. $20\%$
• C. $10\%$
• D. $80\%$
• E. $85\%$

Answer 1

The correct option is B $20\%$

Basic model produced by company B in the year 2009 $=11.8$ thousand
Basic model.produced by company B in the year 2008 $=14.8$ thousand
$\therefore$ Decrease in percentage $=\frac{14.8-11.8}{14.8}\times 100$
$=\frac{3}{14.8}\times 100=\frac{30}{148}\times 100=\frac{3000}{148}=20.27=20\%$