The average weight of 29 students is 40 kg. If the weight of the teacher be included the average weight is increased by 300 grams. The weight of the teacher is:
1
49 kg
2
49.5 kg
3
55 kg
4
48.5 kg
The average weight of 29 students is 40 kg. If the weight of the teacher be included the average weight is increased by 300 grams. The weight of the teacher is: