In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10%?
Correct answer A. 3 : 2
Correct answer A. 3 : 2
Tip: press A, B, C or D to answer, and N for the next question.
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