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Directions (1 - 2): Study the following graph and answer the given questions.
Direction image of Bar Chart chapter
1
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?
Discuss
Answer & Solution
Average of total investment
  $$= \frac{1}{6}$$ (120 + 225 + 375 + 330 + 525 + 420)
$$\eqalign{ & = \frac{1}{6} \times 1995 \cr & = {\text{Rs. }}332.5{\text{ lakhs}} \cr & \text{Average of sales} \cr}$$
  $$= \frac{{200 + 300 + 500 + 400 + 600 + 460}}{6}$$
$$\eqalign{ & = \frac{{2460}}{6} \cr & = {\text{Rs. }}410 \cr & {\text{Difference}} = 410 - 332.5 \cr &\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 77.5{\text{ lakhs}} \cr} $$
2
In which year, there has been a maximum percentage increase in the amount invested in raw materials as compared to the previous year?
Discuss
Answer & Solution
Percentage increase in year 1996
= $$\frac{225 - 120}{120}$$   × 100 = 87.5%
Percentage increase in year 1997
= $$\frac{375 - 225}{225}$$   × 100 = 67%