Question

The mean of marks secured by 30 students in division-A of class X is 67, 55 students of division-B is 63 and that of 40 students of division-C is 61. What is the mean of marks of the students of three divisions of Class X?

A) 63.32 B) 62.62 C) 61.92 D) 64.72

Answer 1

63.32 is your answer.......

Answer 2

$\huge\underline\bold\red{Answer}$

Option A.