Comprehension Passage
Directions: The following bar graph shows the marks scored by two persons A and B in three different subjects, Psychology, Maths and History.
Marks scored by person A in psychology is 10 more than the marks scored by person A in chemistry and the marks scored by person B in chemistry is 20% more than marks scored by A in chemistry then find marks scored by B in chemistry.
1
78
2
72
3
74
4
66
5
68