There are 5 packages. The weight of 1st package is 500 kg and the weight of…
2026
There are 5 packages. The weight of 1st package is 500 kg and the weight of the 2nd package is 50% higher than the weight of 3rd package whose weight is 45% higher than the 1st package weight. The fourth package at 360 kgs is 60% lighter than the fifth package. Find the average weight of all the five packages.
Answer: A. 714.5 kgs — Solution: 1 We have weight of first package = 500kg. Weight of third package = 500 + 45% of 500 kg = 500 + 45/100 × 500 = 500 + 225 = 725 Weight of second…
- A.
714.5 kgs
- B.
728.3kgs
- C.
725.9kgs
- D.
716.6 kgs
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Correct answer: A
Solution: 1
We have weight of first package = 500kg.
Weight of third package = 500 + 45% of 500 kg
= 500 + 45/100 × 500
= 500 + 225
= 725
Weight of second package = 725kg + 50% of 725
= 725 + 725 × 50/100
= 725 + 362.5
= 1087.5
Weight of fourth package = 360kg
We are given that weight of fourth package =40%of weight of 5 th package
Hence 360 = 40/100 × weight of fifth package
Weight of fifth package = 360 × 100/40
= 900 ks
Total weight of all packages = 500 + 725 + 1087.5 + 360 + 900
= 3572.5
Average weight = 3572.5/5
= 714.5 kgs
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