The bar chart shows the production of sugar by a company (in 1000 tons) over 6 years 2010 to 2015.

Find ratio of production increase of year 2011 to production increase of year 2015 compared to their respective previous year.

3 : 2

Percentage increase in the production of sugar of year 2011 = \(\frac{60 - 40}{60}\) × 100 = 50%

Percentage increase in the production of sugar of year 2015 = \(\frac{80 - 60}{60}\) × 100 = \(\frac{100}{3}\) %

Ratio → 50% : \(\frac{100}{3}\) %

        → 150  :  100 

               3   :   2