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1. |
In what ratio wheat costing Rs. 17/ kg should be mixed with another wheat costing Rs. 12/kg to get a mixture costing Rs. 13.5/ kg? |
A. | 1 : 2 |
B. | 2 : 5 |
C. | 3 : 7 |
D. | 4 : 9 |
Answer» D. 4 : 9 | |