In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg & Rs. 65 a kg so that by selling a mixture at Rs. 68.20 a kg, he may gain 10%?
S.P of mixture = 68.2
Gain = 10 %
?C.P of mixture = 68.2 x 100/110 = 62/kg
Ratio = 3:2
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