Question
The average weight of 8 boxes is 45 kg. If one more box
weighing 63 kg is added, what will be the new average weight of the boxes?Solution
Total weight of 8 boxes = 8 × 45 = 360 kg Total weight of 9 boxes = 360 + 63 = 423 kg New average = 423 ÷ 9 = 47 kg Correct Option: a
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