Multiple choice

There are 5 members in a family and their weights (kg) are as given below: 56, 65, 49, 85, 71 What will be the average weight (in kg)?

  1. 49.1

  2. 56.2

  3. 65.2

  4. 69.2

  5. NA

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sum of weights = 56 + 65 + 49 + 85 + 71 = 326. Average = 326 / 5 = 65.2.

AI explanation

Using the formula for average, the sum of the family's weights is 56 + 65 + 49 + 85 + 71 = 326 kg. The average weight is this total sum divided by the number of family members, which is 326 / 5. The calculation gives an average weight of 65.2 kg.