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how many kg of wheat costing Rs. 8 per kg must be mixed with 36 kg of ice costing Rs 5.40 per kg so that 20% gain may be obtained by selling the mixture in Rs. 7.20 per kg ? | |
A. | 10.8 kg [Correct Answer] |
B. | 11.8 kg [Wrong Answer] |
C. | 9.8 kg [Wrong Answer] |
D. | 12.8 kg [Wrong Answer] |