In what ratio must water be mixed with milk costing Rs. 12 per litre to obtain a mixture worth of Rs. 8 per litre?
A. 1 : 2
B. 2 : 1
C. 2 : 3
D. 3 : 2
Answer: Option A
Solution(By Examveda Team)
By the rule of alligation :
Ratio of water to milk
= 4 : 8
= 1 : 2
This Question Belongs to Arithmetic Ability >> Alligation
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in what ratio milk costing 4 rupee kg and 6 rupee kg should mixed to earn 12.5%on selling the mixture at 6rupee kg