The price of a variety of a commodity is Rs 7/kg and that of another is Rs 12/kg. Find the ratio in which two varities should be mixed so that the price of the mixture is Rs 10/kg.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 2 : 3
It is a direct question based on the concept of alligation,
Required ratio = 2 : 3