Question

What percent of the average sales of branches B1, B2 and B3 in 2001 is the average sales of branches B1, B3 and B6 in 2000?

• A. 75%
• B. 77.5%
• C. 82.5%
• D. 85.7%
• E. 87.5%

Answer 1

The correct option is D

85.7%

Average sales (in thousand numbers) of branches B1, B3 and B6 in 2000 -

$=\frac{1}{3}\times \left(80+90+70\right)=\frac{240}{3}$ = 80

Average sales (in thousand numbers) of branches B1, B2 and B3 in 2001 -

$=\frac{1}{3}\times \left(105+65+110\right)=\left(\frac{280}{3}\right)$

$\therefore$ Required Percentage $=\frac{\frac{240}{3}}{\frac{280}{3}}\times 100$ $=\frac{240}{280}\times 100=85.7\%$