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?
A. 1 : 2
B. 1 : 3
C. 2 : 1
D. 3 : 1
Answer: Option B
Solution(By Examveda Team)
Join The Discussion
Comments ( 4 )
Related Questions on Alligation
A. $$\frac{{1}}{{2}}$$ kg
B. $$\frac{{1}}{{8}}$$ kg
C. $$\frac{{3}}{{14}}$$ kg
D. $$\frac{{7}}{{9}}$$ kg
A. 81 litres
B. 71 litres
C. 56 litres
D. 50 litres
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
what is the details system... for written exam..
make equation yrr..............
this competative method
ok...............
plzz solve with an equation'
or make a video on it............
plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
5% or 15% kese aya