Study the following graph and answer the question.
In which year was the value per tonne the minimum?
Answer & explanation
Correct answer: option 1
Lets find out one by one for each option .
1. 2005
Very per tonne of quantity = \(\frac{150 }{100}\) = 1.5
2. 2007
Very per tonne of quantity = \(\frac{330 }{150}\) = 2.2
3. 2009
Very per tonne of quantity = \(\frac{500 }{200}\) = 2.5
4. 2006
Very per tonne of quantity = \(\frac{150 }{75}\) = 2
So , value per tonne is minimum in year 2005.