Calculate the ratio of rice at Rs. 7.20 per kg to rice at Rs. 5.70 per kg to make a combination worth Rs. 6.30 per kg.
A. 1 : 3
B. 2 : 3
C. 3 : 4
D. 4 : 5
Answer:B
Calculate the ratio of rice at Rs. 7.20 per kg to rice at Rs. 5.70 per kg to make a combination worth Rs. 6.30 per kg.
A. 1 : 3 B. 2 : 3 C. 3 : 4 D. 4 : 5
Explanation: According to the alligation rule, the required ratio is 60:90 = 2:3.