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Step by step text solution for The average weight of 3 men A ,\ B and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If another man E , whose weight is 3 kg more than that of D , replaces A , then the average weight of B ,\ C ,\ D and E becomes 79 kg. The weight of A is (a) 70 kg (b) 72 kg (c) 75 kg (d) 80 kg by MATHS experts to help you in doubts & scoring excellent marks in Class 14 exams.
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