Question

The average weight of the students of a class is
36 kg. After the class teacher of weight 84 kg is
included the average weight of the class increases by 1.5 kg. what is the number of students in the class?​

Answer 1

Answer:

31 student

Step-by-step explanation:

extra weight of teacher = 84-36= 48kg

no. of student and teacher = 48/1.5= 32

no. of student= (all- 1 teacher)=(32-1)= 31 students