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?

Question

Accepted Answer

S.P. of 1 kg of mixture = Rs. 9.24, Gain 10%. ∴ C.P. of 1 kg of mixture = Rs. ❨ 100 x 9.24

C.P. of 1 kg sugar of 1^st kind Cost of 1 kg sugar of 2^nd kind
Rs. 9	Mean Price Rs. 8.40	Rs. 7
1.40		0.60

⟹ x =	❨	7 x 27	❩	= 63 kg.
		3

∴ C.P. of 1 kg of mixture = Rs.	❨	100	x 9.24	❩	= Rs. 8.40
		110

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?

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