The average weight of a group of 14 persons is 40 kg. One more person ...
Reqd. weight = 41.50 × 15 – 14 × 40 = 62.50 kg
Hence, Option C is correct.
View all questions of this testThe average weight of a group of 14 persons is 40 kg. One more person ...
Calculation:
- Let the weight of the new person be x kg.
- According to the given information:
- Total weight of 14 persons = 14 * 40 = 560 kg
- Total weight of 15 persons = 15 * 41.50 = 622.50 kg
Equation:
- 560 + x = 622.50
- x = 622.50 - 560
- x = 62.50 kg
Therefore, the weight of the new person is 62.50 kg.
So, the correct answer is option C) 62.50 kg.