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How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27kg of sugar costing Rs.7 per kg so that there may be gain of 10% by selling the mixture at Rs.9.24 per kg? | |
A. | 77 [Wrong Answer] |
B. | 50 [Wrong Answer] |
C. | 60 [Wrong Answer] |
D. | 63 [Correct Answer] |