In what ratio should lentils costing Rs.77.50/kg be mixed with lentils costing Rs.83.50/kg to get the average price of Rs.80/kg of the resulting mixture?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 7 : 5
Given that
The lentils A costing Rs.77.50/kg be mixed with lentils B costing Rs.83.50/kg
The average price of Rs.80/kg of the resulting mixture
We use alligation method
Hence, the required ratio is 7 : 5 .