Multiple choice

The average weight of 9 people is increased by 1.5 kg when one of them whose weight is 54 kg is replaced by a new man. The weight of the new man is

  1. 58.5 kg

  2. 67.5 kg

  3. 60 kg

  4. 64 kg

  5. None of these

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

The weight of the new man = weight of the man who is replaced + 1.5 x 9 = 54 + 13. 5 = 67.5 kg.