Two types of tea costing Rs. 180/kg and Rs. 280/kg. In what ratio should these be mixed so that obtained mixture sold at Rs. 320/kg to earn a profit of 20% is ?
A. 3 : 13
B. 4 : 13
C. 1 : 13
D. 2 : 13
Answer: Option D
Solution(By Examveda Team)
According to the question,Selling price of the mixture = Rs. 320, Gain = 20%
∴ Cost price of the mixture
$$\eqalign{ & = 320 \times \frac{{100}}{{120}} \cr & = {\text{Rs}}{\text{. }}\frac{{800}}{3} \cr} $$
Now using alligation method
$$\eqalign{ & {\text{Ratio of quantity }} \cr & \to 40:260 \cr & \,\,\,\,\,\,\,\,\,\,\,2:13 \cr} $$
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
Join The Discussion