In what ratio must a grocer mix two varieties of tea worth Tk.60 per kg and Tk.80 per kg that by selling the mixture at Tk.68.20per kg he may gain 10%?
A. 3:2
B. 3:4
C. 3:5
D. 4:5
E. None of these
সঠিক উত্তরঃ
A.
3:2
Explanation:
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