SSC GD Constable 18 Feb 2019 Shift 3 Paper
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Question : 62 of 100
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The average weight of a certain number of persons in a group was 75.5 kg. Later on, 4 persons weighing 72.6 kg. 74 kg, 73.4 kg and 70 kg joined the group. As a result, the average weight of all persons in the group reduced by 500 g. The number of persons in the group, initially, was:
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