3 boxes have some average weight .when one box which weight 89kg is replaced by another box ,the average weight increases by 5kg .how much the new box weight​?

A) 109 kg

B) 94 kg

C) 104 kg

D) 84 kg

Since the increasing average is 5 kg so the weight of each box would increase 5 kg So the total increase in weight = 5 x 3 = 15 kg                                                                      Weight of new box to be = 98 + 14 = 104 kg

Related MCQs:
  1. The average weight of A, B and C is 45 Kg. If the average weight of A and B is 40 Kg and that of B and C is 43 Kg, then weight of B is:
  2. The average weight of 8 persons is increased by 2.5 kg when a new person comes in place of one of them who weighs 56 kg is replaced by new man. The weight of new man is?
  3. When a student weighing 45 kg left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students?
  4. There are two sections A and B of a class, consisting of 36 and 44 students respectively. If the average weight of section A is 40kg and that of section B is 35kg, find the average weight of the whole class.