A. 5 : 6
B. 3 : 4
C. 7 : 8
D. 8 : 9
Explanation:
Let us say the ratio of the quantities of cheaper and dearer varieties = x : y
By the rule of allegation, x/y = (87.5 – 7.50) / (7.50 – 6) = 5/6
Correct Answer: 5 : 6 ✔
Last Updated: February 07, 2020