The average weight of 12 boxes is 63 kg. If four boxes having an average weight of 70 kg are removed, then what will be new average weight of the remaining boxes?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 59.5 kg.
| Understanding/Application |
|
Total weight of 12 boxes = 63(12) = 756 kg Weight of 4 boxes that are being removed = 70(4) = 280 kg |
| New average = (756 - 280)/8 = 476/8 = 59.5 kg |