Question
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?
Answer: Option C
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By the rule of alligation:
Cost of 1 kg pulses of 1st kind = Rs.15
Cost of 1 kg pulses of 2nd kind Rs.20
Main price = Rs. 16.50
So,Required rate = 3.50 : 1.50 = 7 : 3.
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