Question

There are 5 boxes in a cargo hold. the weight of the first box is 200 kg and the weight of the second box is 2% higher tha the weight of third bo, whose weight is % higher tha the first bo's weight. the fourth box at 350 kg is 30% lighter than the fifth box. find the difference in the overage weight of the four heaviest boxes and four lightest boxes.

Answer 1

ans=75 kg
weight of 1st box=200 kg
so weight of 3rd box=250 kg 
weight of 2nd box = 300 kg nd 4th box= 350 
thus 5th box=500 kg
avg weight of four heaviest boxes= 1400/4=350 
nd lightest box=1100/4=275
diff=75 kg

Answer 2

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