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1. |
A shopkeeper mixes 12 kgs of rice at 8 per kg with 6 kgs of rice at 10 per kg . Find the cost per kg of the mixture . |
A. | 8.67 |
B. | 8.50 |
C. | 7.67 |
D. | 7.50 |
Answer» B. 8.50 | |