1.

 A producer of tea blends two varieties of tea from two tea gardens one costing Rs 18 per kg and another Rs 20 per kg in the ratio 5 : 3. If he sells the blended variety at Rs 21 per kg, then his gain

A. 3 %
B. 9 %
C. 12 %
D. 15 %
Answer» D. 15 %


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