College of Admission Tests Multan

Averages

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 2

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.

  • 30.00 kg
  • 35.00 kg
  • 37.25 kg
  • 42.50 kg

  Show/Hide Explanation 

Correct Answer: C

Total weight of (36+44=80) Students =(36×40+44×35) kg = 2980 kg

Therefore average weight of the whole class =(2980/80) kg

Therefore average weight = 37.25kg