The average weight of a class of 24 students is 35 kg. if the weight of the teacher is included, the average rises by 400 kg. the weight of the teacher is
(a)45 kg (b)50 kg (c) 53 kg (d)55 kg
The average weight of a class of 24 students is 35 kg. if the weight of the teacher is included, the average rises by 400 kg. the weight of the teacher is
(a)45 kg (b)50 kg (c) 53 kg (d)55 kg