Question : The following bar graph shows the amounts (in INR lakhs) invested by a company in purchasing raw materials and the values (in INR lakhs) of finished goods sold by the company, from 2012 to 2017.
The difference between the average amount invested in purchasing raw materials from 2012 to 2017 and the average value of sales of finished goods during the same period from 2012 to 2017 is:
Option 1: INR 86 lakhs
Option 2: INR 90 lakhs
Option 3: INR 80 lakhs
Option 4: INR 85 lakhs
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Correct Answer: INR 80 lakhs
Solution :
Use the formula, $\text{Average}=\frac{\text{Sum of all the values}}{\text{The total values}}$.
The average amount invested in purchasing raw materials from 2012 to 2017 $=\frac{140+250+350+325+525+450}{6}$.
$=\frac{2040}{6}=$ INR 340 lakhs
The average value of sales of finished goods during the same period from 2012 to 2017 $=\frac{220+300+475+400+600+525}{6}$.
$=\frac{2520}{6}=$ INR 420 lakhs
The difference between the average amount invested in purchasing raw materials from 2012 to 2017 and the average value of sales of finished goods during the same period from 2012 to 2017
= 420 – 340 = INR 80 lakhs.
Hence, the correct answer is INR 80 lakhs.
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