# Easy Bar Charts Solved QuestionData Interpretation Discussion

Common Information

The bar graph given below shows the sales of books (in thousand numbers) from six branches of a publishing company during two consecutive years 2000 and 2001.

 Q. Common Information Question: 3/5 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. 87.5%

Solution:
Option(D) is correct

Average sales (in thousand number) of branches $B1$, $B3$ and $B6$ in 2000:

$=\dfrac{1}{3}×(80 + 95 + 70)$

$=\dfrac{245}{3}$

Average sales (in thousand number) of branches $B1$, $B2$ and $B3$ in 2001:

$=\dfrac{1}{3}×(105 + 65 + 110)$

$=\dfrac{280}{3}$

Required percentage:

$=\left(\dfrac{245}{3}\right)×100%$

$=\left[\dfrac{(245/3)}{(280/3)}\right]× 100%$

$= 87.5%$

## (2) Comment(s)

Bitan
()

All the options are wrong considering the question was right.

Shireen
()

Then what is the correct answer?