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- Quantitative Aptitude
4.Average
medium
$10\, kg$ of rice priced at $Rs. \,12$ per $kg$ is mixed with $6\, kg$ of rice priced at $Rs. \,16$ per $kg$. Find the average price in $Rs.$ per $kg$ of the whole mixture?
A
$14$
B
$14.50$
C
$13$
D
$13.50$
Solution
Total price of $10\, kg$ Rice $=12 \times 10 \Rightarrow 120$
Total price of $6 \,kg$ Rice $=16 \times 6 \Rightarrow 96$
Average $=\frac{120+96}{16}=\frac{216}{16}=13.50 \,kg$
Standard 13
Quantitative Aptitude