# Moderate Bar Charts Solved QuestionData Interpretation Discussion

Common Information

Out of the two bar graphs provided below, one shows the amounts (in Lakh Rs.) invested by a Company in purchasing raw materials over the years and the other shows the values (in Lakh Rs.) of finished goods sold by the Company over the years.

 Q. Common Information Question: 3/5 What was the difference between the average amount invested in Raw materials during the given period and the average value of sales of finished goods during this period?
 ✖ A. Rs. 62.5 lakhs ✖ B. Rs. 68.5 lakhs ✖ C. Rs. 71.5 lakhs ✔ D. Rs. 77.5 lakhs

Solution:
Option(D) is correct

Required difference:

$=\text{ Rs.}\left[\dfrac{1}{6} × (200 + 300 + 500 + 400 + 600 +460) - \dfrac{1}{6} × (120 + 225 + 375 + 330 + 525 + 420)\right]$ lakhs

$= \text{Rs. }\left[\dfrac{2460}{6} - \dfrac{1995}{6}\right]$ lakhs

$=\text{ Rs. }(410 - 332.5)$ lakhs

$= Rs. 77.5$ lakhs