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1. |
An alloy is made by mixing metal A costing Rs 2000/kg and metal B costing Rs 400/kg in the ratio A:B = 3:1. What is the cost (in Rs) of 8 kilograms of this alloy? |
A. | 1600 |
B. | 9800 |
C. | 6400 |
D. | 12800 |
Answer» E. | |