The average weight of a class of 12 students is 57 kgs. Two students of weights 48 kgs and 68 kgs are replaced by 2 new students having weights 52 kgs and 55 kgs. What is the new average weight of the class?
1
65 kgs
2
56.25 kgs
3
48 kgs
4
63. kgs
5
59.45 kgs