Question

5kg of rice at rs 6 per kg is mixed with 4 kg of rice to geta mixture costing rs 7 per kg. find the price of the costlier rice?

Answer 1

the cost of the costliest rice if 8.25 per kg

Answer 2

Solution:Using the cross method:
rice at Rs 6 per Kg rice at Rs x per Kg
Mean price Rs 7 per Kg
5 4
x-7:1=5:4
4x-28 = 5
4x=33=>x=Rs 8.25.
Therefore price of costlier rice is Rs 8.25 per Kg