Directions: Answer the questions based on the information given below.
The government of India released vacancies for three different sectors i.e. Banking, SSC and Railways in five different years. The line graph given below shows the percentage of vacancies released for banking and railways sectors, respectively, out of total number of vacancies released in the respective years.
Number of vacancies released for SSC in 2005 was 63(1/3) % more than that in 2007 and is 47% more than that in 2008. Ratio of number of vacancies released for SSC in 2008 and 2009 is 25 : 18 respectively. Number of vacancies released for SSC in 2006 was 33.33% more than that in 2009. Difference between number of vacancies released for SSC in 2006 and 2005 is 1020.
Find the average number of vacancies released in 2005, 2007 and 2009 together.