Question : The following bar graph shows the amount (in lakh Rs.) invested by a company in purchasing raw materials over the years 2015 to 2019.
By how much percent did the company increase its investment in raw materials in 2019, as compared to 2015?
Option 1: 20%
Option 2: 33.33%
Option 3: 66.66%
Option 4: 11.66%
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Correct Answer: 66.66%
Solution :
Raw materials in 2015 = 330
Raw materials in 2019 = 550
Percentage increase
$=\frac{\text{Raw materials in 2019 – Raw materials in 2015}}{\text{Raw materials in 2015}}\times100$
$=\frac{550-330}{330}\times100$
$=\frac{220}{330}\times100=66.66\%$
Hence, the correct answer is 66.66%.
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