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In what ratio must a mixture of 30 alcohol strength be...

This question belongs to Arithmetic Ability Alligation
Alligation
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In what ratio must a mixture of 30% alcohol strength be mixed with that of 50% alcohol strength so as to get a mixture of 45% alcohol strength?

Answer & Solution
Correct Answer: Option B
Alligation mcq Solution2
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4 Comments
Md Helal
Md Helal 8 years ago
Applying rule of Alligation :
30 ···································· 50
···················· 45 ····················
5 : 15 or 1 : 3 (Ans.)
or
30x + 50y = 45(x+y)
⇒ 30x + 50y = 45x + 45y
⇒ 15x = 5y
⇒x/y = 1/3
So, x : y = 1 : 3
Exceptional Ahmed
Exceptional Ahmed 8 years ago
what is the details system... for written exam..
Vivek Kumar
Vivek Kumar 8 years ago
make equation yrr..............
this competative method
ok...............
plzz solve with an equation'
or make a video on it............
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Deepika Kumari
Deepika Kumari 9 years ago
5% or 15% kese aya
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