Question

b. 18
-0. None
There are 60 students in a class of which
25 are girls. The average weight of 25
girls is 40kg and that of 35 boys is 53kg.
The mean weight in kg of the entire class
is:
a. 47.59
b. 47.49
d. None of these
c. 47.7​

Answer 1

Answer:

b. 47.49

b. is a right answer

Answer 2

Answer:

47.59

Step-by-step explanation:

(25*40)+(35*53)

total wt- 2855

2855/60

47.583 is mean wt