In a class of 5 students, average weight of the 4 lightest students is 40 kgs,…
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In a class of 5 students, average weight of the 4 lightest students is 40 kgs, Average weight of the 4 heaviest students is 45 kgs. What is the difference between the the maximum and minimum possible average weight overall?
- A.
2.8 kgs
- B.
3.2 kgs
- C.
3 kgs
- D.
4 kgs
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