Directions:-(21- 25). Refer to the following Line Graph and answer the given questions.

                 2011  2012  2013  2014  2015

Appeared  240    200    250    300    320

Passed      180    140    210     260   240

21. The number of students who could pass the exam in the year 2016 were 10% more than that in the previous year. Only 75% of those who appeared in the year 2016 could pass the exam that year. How many students appeared for the exam in the year 2016?