what ratio should a variety of rice costing Rs. 6 per kg be mixed with another variety of rice costing Rs. 8.75 per kg to obtain a mixture costing Rs. 7.50 per kg?
Q1. what ratio should a variety of rice costing Rs. 6 per kg be mixed with another variety of rice costing Rs. 8.75 per kg to obtain a mixture costing Rs. 7.50 per kg?
Answer: 5:06
Explanation: By alligation: (8.75 − 7.50) : (7.50 − 6.00) = 1.25 : 1.50 = 5 : 6; ratio of cheaper to costlier = 5:6.