7 7'21'3 in a class of 40 students, - of the total number of stu- dents like to eat rice only, of the total number of a) 3'7 21 5 students like to eat chapati o

7 7'21'3 In a class of 40 students, - of the total number of stu- dents like to eat rice only, of the total number of a) 3'7 21 5 students like to eat chapati only, and the remaining students like to eat both. What fraction of the total total number of students like to eat both? (a) 8 (c) 20 (b) 16 (d) 24 raroution around the Sun