- A40 kg
- B22 kg
- C39.5 kg
- D46.5 kg
Step-by-Step Solution
The total fell by kg, so the removed box was 9 kg heavier than the new one: kg. (22 kg subtracts the 9 kg the wrong way.)
Answer: A) 40 kg
Six boxes in a godown have a mean weight of 48 kg. One box is swapped for a new box weighing 31 kg, and the mean drops to 46.5 kg. How heavy was the box that was taken out?
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