Answer with Explanation:
By the rule of Alligation:
Cost of 1 kg of 1st kind :=>720 p 60
Cost of 1 kg of 2nd kind :=>630 p 90
Mean Price :=>630 p
Therefore, Required ratio = 60 : 90 = 2 : 3.
By the rule of Alligation:
Cost of 1 kg of 1st kind :=>720 p 60
Cost of 1 kg of 2nd kind :=>630 p 90
Mean Price :=>630 p
Therefore, Required ratio = 60 : 90 = 2 : 3.