In what proportion must sugar costing Rs.14 per kg and Rs.17 per kg be mixed so that 20% profit is earned by selling the mixture at Rs. 18 per kg?
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Answer: 2:1. Gq
sp of 1 kg of the mixture (120% = 18) then
c.p of 1 kg of the mixture = 100/120*18
= Rs 15
by allegation rule
14. 17
15
2 1
required ratio = 2:1
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