In what ratio must a grocer mix tea costing Rs. 50 per kg and Rs. 65 per kg so that by selling the mixture at Rs. 66 per kg he gains 10%?
Correct answer B. 1:2
Explanation
Cost price of mixture = 66 x 100/110 = Rs. 60. Ratio = (65 - 60) : (60 - 50) = 5 : 10 = 1 : 2.
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