The given line graph shows information about the number of students studying in college Q is how much percentage more or less than the number of students studying in college P in five different years 2015, 2016, 2017, 2018 and 2019 respectively.

Note: (Number of students in P or Q = Number of males + Number of females)

i) Number of students studying in college P in 2015 is ‘a’  number of students studying in college Q in 2015 is ‘b’.

ii) Number of students studying in college P in 2017 is ‘(b + 40)

iii) Number of students studying in college P in 2019 is (a + 200) which is 140 more than the number of students studying in college Q in 2017.

iv) Number of students studying in college P in 2016 to number of students studying in college Q in 2016 are in the ratio 5: 7.

v) Number of students studying in college Q in 2017 < Number of students studying in college P in 2017.(all the remaining years number of students studying in college Q is more than the college P)

vi) Number of students studying in college P in 2018 is 200 which is 150 less than the number of students studying in college Q in 2016.