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1. In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 kg?





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  • By: guest on 01 Jun 2017 05.44 pm
    By the rule of alligation: Cost of 1 kg pulses of 1st kind Cost of 1 kg pulses of 2nd kind Rs. 15 Mean Price
    Rs. 16.50 Rs. 20 3.50 1.50 Required rate = 3.50 : 1.50 = 7 : 3.
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