The average weight of 10 articles is 65 kg. If three articles having an average weight of 72 kg are removed, then what will be new average weight of the remaining articles?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 62 kg.
| Understanding/Application |
| Total weight of 10 articles = 10(65) = 650 kg Weight of the removed 3 articles = 3(72) = 216 kg |
| New average = (650 - 216)/7 = 434/7 = 62 kg |