Q. The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?
A) 59.6
B) 60.3
C) 62.4
D) 61
✔ Correct Answer: 61
Exam Insight
-