The average weight of A. B and C is 80 kg. If D joins the group, the average weight becomes 84 kg. When E joins the group. the average weight becomes 3 kg more than the group, where D replaces A. Find the weight of A.
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Explanation:
112 kg. when is e join the group the average weight become 3 kg more than the group where d replace a. = 112 kg.
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