Average weight of a group is 20 kg. When two people include in the group average...
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Average weight of a group is 20 kg. When two people include in the group average weight becomes 24 kg. After that when 4 another people removed from the group, having weight half of the weight of two person included previously, average weight become 25. Find the strength of group initially. (a) 18 (b) 29 (c) 22 (d) 37 (e) 32 Average weight of a group is 20 kg. When two people include in the group average weight becomes 24 kg. After that when 4 another people removed from the group, having weight half of the weight of two person included previously, average weight become 25. Find the strength of group initially. (a) 18 (b) 29 (c) 22 (d) 37 (e) 32
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Microeconomics An Intuitive Approach with Calculus
ISBN: 978-0538453257
1st edition
Authors: Thomas Nechyba
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