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The average weight of 6 persons of a group is 75 kg.If a person weighting 50 kg leaves the group, what will be the average weight of the group m?

The average weight of 6 persons of a group is 75 kg.If a person weighting 50 kg leaves the group, what will be the average weight of the group m? Correct Answer 80

6 জনের মোট ওজন = (75 × 6) কেজি = 450 কেজি 50 কেজির একজন চলে যাওয়ার মোট ওজনের সমষ্টি = (450 - 50) কেজি = 400 কেজি ∴ বাকি 5 জনের গড় ওজন = 4005 কেজি = 80 কেজি।

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