what ratio, wheat at 23 per kg should be mixed with wheat at 14 per kg so that on selling the mixture at 20 per kg there is a profit of 25%?
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Correct answer: D
Explanation
The correct answer is option 4 i.e. 2 : 7.
SP = 20/kg
CP = (100/125) × 20 = 16/kg
Using the allegation method:
Required ratio = 2 : 7
Therefore, the wheat at ₹23 per kg should be mixed with the wheat at ₹14 per kg in the ratio of 2:7.