The bar graph shows the number of students (in hundreds) admitted and passed out per year in a college during the years 2010 to 214.

Study the bar-graph and answer the question.

The ratio of the number of students admitted in the year 2012 to the average number of students passed out in the years 2013 and 2014 is:

4 : 5

Number of students admitted in the year 2012  :   Average number of students passed out in the years 2013 and 2014 

  8    :   \(\frac{10+10 }{2 }\)

  16  :    20

   4   :     5