Q179
In what ratio must a mixture of 30% alcohol strength be mixed with that of 50% alcohol strength so as get a mixture of 45% alcohol strength ?
A.
1 : 2
B.
1 : 3
AnswerC.
2 : 1
D.
3 : 1
Answer: Option B
Solution
Answer: Option B
Solution:
By using Alligation rule, 
Hence, required ratio = 1 : 3