Comprehension Passage
Directions: Refer to the line graph and answer the given questions:
Number of male and female students qualified in a exam during 2010-2015
The number of qualified male candidates increased by 25% from 2015 to 2016 and by 30% from 2016 to 2017. If the number of qualified male candidates in the year 2017 is 80% of the appeared male candidates, how many male candidates appeared the exam in 2017?
1
560
2
650
3
580
4
615
5
550