The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is :
Choose the correct choice from the following:
A) 45  B) 46  C) 47  D) 48  E) 49
Weight of the teacher = (35.4 x 25 - 35 x 24) kg = 45 kg. 45nswer : 45
<result>A</result>
The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is :