There are five persons with weights 58 kg, 38 kg, 45 kg, 34 kg and 55 kg. What is the average weight (in kg) of those persons whose weight is less than the average weight of the five persons?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 39.
Weights: 58, 38, 45, 34, 55
Average = (58 + 38 + 45 + 34 + 55) ÷ 5 = 230 ÷ 5 = 46
Weights less than 46: 38, 45, 34
Average of these = (38 + 45 + 34) ÷ 3 = 117 ÷ 3 = 39