Question

$\text{Coffee Rs. 250 per kg, Was mixed with chicory costing Rs. 75 per Kg, n the ratio of 5:2 for a certain blend. If the mixture was sold at Rs. 230 per Kg, find the gain or loss per cent.}$

Answer 1

$\text{Ratio of the mixture =5:2}\text{Let 5 Kg of coffee is mixed with 2 kg of chicory}\text{Now, cost price of 5 kg coffee @ Rs.}\text{250 per kg=5}\times 250=Rs.1250\text{and cost price of 2 kg of chicory @ Rs.}\text{Rs. 75 per kg.}=2\times 75=Rs.150\text{Total cost of 7 kg mixture =Rs.1250}\text{+Rs.150=Rs.1400}\text{S.P. of 7 kg @ Rs.230 per kg =}7\times 230\text{=Rs.1610}\text{Gain =S.P.-C.P.=Rs.1610-Rs.1400=Rs.210}=\frac{210\times 100}{1400}=15\%Ans.$