Question : At a courier shop, the weights of 8 parcels were found to be 1.5 kg, 1.25 kg, 1.35 kg, 750 gm, 950 gm, 0.7 kg, 0.4 kg, and 0.5 kg. Find their average weight.
Option 1: 875 gm
Option 2: 900 gm
Option 3: 925 gm
Option 4: 700 gm
Correct Answer: 925 gm
Solution :
Weights of the parcels:
1.5 kg, 1.25 kg, 1.35 kg, 750 gm (0.75 kg), 950 gm(0.95 kg), 0.7 kg, 0.4 kg and 0.5 kg.
Adding up all the weights:
$1.5 + 1.25 + 1.35 + 0.75 + 0.95 + 0.7 + 0.4 + 0.5 = 7.4\, \text{kg}$
The number of parcels = 8
So, the average weight = $\frac{7.4 }{8}$ = 0.925 kg
Hence, the correct answer is 925 gm.
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