What is the difference between the number of students in class vi and class xi ?
20
18
15
10
We can observe data from graph in tabular format as :
The difference between no. of students of class vi and class xi = 76 - 61 = 15
If in class XI of a certain school, 24 students got distinction in mathematics, 19 students got distinction in physics and 15 students got distinction in both the subjects,then the number of students in class XI is :