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Total income of 30 freelancers initially = 30 × 500 = Rs. 15000 New average income of the group = 500 + 60 = Rs. 560 New number of freelancers in the group = 30 - 3 + 1 = 28 According to the question, 15000 - 3 × 550 + N = 560 × 28 Or, 15000 - 1650 + N = 15680 Or, 13350 + N = 15680 Or, N = 15680 - 13350 = 2330
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