7 kg of tea costing Rs. 280 per kg is mixed with 9 kg of tea costing Rs. 240 per kg. The average price per kg of the mixed tea is ?

A. Rs. 255.80 B. Rs. 257.50 C. Rs. 267.20 D. Rs. 267.50 Answer: Option B
Show Answer

Solution(By Apex Team)

\begin{aligned}&\text{According to the question,}\\ &\text{Average price of mixed tea}\\ &=\frac{280 \times 7+240 \times 9}{16} \\ &=\frac{1960+2160}{16} \\ &=\frac{4120}{16} \\ &=\text { Rs. } 257.50 \end{aligned}

Related Questions On Alligation

A. 2 : 5
B. 3 : 5
C. 5 : 3
D. 5 : 2
Show Answer

An alloy contains zinc, copper and tin in the ratio 2 : 3 : 1 and another contains copper, tin and lead in the ratio 5 : 4 : 3. If equal weights of both alloys are melted together to form a third alloy, then the weight of lead per kg in new alloy will be:

A. $\large\frac{1}{2} \mathrm{~kg}$
B. $\large\frac{1}{8} \mathrm{~kg}$
C. $\large\frac{3}{14} \mathrm{~kg}$
D. $\large\frac{7}{9} \mathrm{~kg}$
Show Answer

A. 81 litres
B. 71 litres
C. 56 litres
D. 50 litres
Show Answer

A. 1 : 2
B. 1 : 3
C. 2 : 1
D. 3 : 1
Show Answer