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How many kilogram of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg so that there may be a gain of 10% by selling the

mixture at Rs. 9.24 per kg?
(a) 36 kg (b) 42 kg (c) 54 kg (d) 63 kg


I think it will be 63 kg of suger require

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