Q. 214.6( 31 Votes )

A trader by selli

Answer :

If selling at Rs. 80/kg trader makes loss of 20%


Let the cost price be X


Then selling price = X- = = =


= Rs 80


X = = Rs. 100


Cost price 1st tea is Rs. 100


If selling at Rs. 200/kg trader makes profit of 25%


Let the cost price be Y


Then selling price = Y + = = =


= Rs 200


X = = Rs. 160


Cost price 2nd tea is Rs. 160


If selling at Rs. 150/kg trader makes profit of 25%


Let the cost price be Z


Then selling price = Z + = = =


= Rs 150


Z = = Rs. 120


Cost price of mixed tea is Rs. 120


Let the amount of mixture of 1st tea be X


Then the amount of mixture of 2nd tea be 1 – X


X×100 + 160×(1-X) = 120


-60X = 120 – 160 = -40


X =


1 – X = 1 - =


Therefore


The ratio = : = 2:1


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