The average weight of the students in a group was 75.4 kg. Later on, four students having weights 72.9 kg, 73.8 kg, 78.5 kg and 88.4 kg respectively, joined the group. As a result, the average weight of all the students in the group increased by 0.24 kg. What was the number of students in the group initially?

The average weight of the students in a group was 75.4 kg. Later on, f

1.	The average weight of the students in a group was 75.4 kg. Later on, four students having weights 72.9 kg, 73.8 kg, 78.5 kg and 88.4 kg respectively, joined the group. As a result, the average weight of all the students in the group increased by 0.24 kg. What was the number of students in the group initially?
A.	46
B.	48
C.	50
D.	51
Answer» B. 48