There are two types of pulses are ₹150 per kg and ₹100 per kg. In what ratio these pulses are mixed so that the mixture sold at ₹121 kg to earn a profit of 10%.

Correct answer: 3:2

Solution

SP = ₹121, profit = 10%, so CP = 121/1.1 = ₹110. Alligation: ratio of ₹100 pulse to ₹150 pulse = (150-110):(110-100) = 40:10 = 4:1. So ₹100 type : ₹150 type = 4:1, i.e., ₹150 type : ₹100 type = 1:4. Note: none of the given options correctly match the calculated ratio of 1:4. The answer marked '3:2' appears to contain an error in the source material.

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