In what ratio, sugar costing Rs 60 per kg he mixed with sugar costing
| In what ratio, sugar costing Rs 60 per kg he mixed with sugar costing Rs 42 kg such that by selling the mixture at Rs 56 per kg there is a gain of 12%?
A. 5 : 7
B. 8 : 9
C. 5 : 6
D. 4 : 5
Right Answer is: D
SOLUTION
We will solve it by allegation method.
C. P. of sugar 
per kg
A. T. Q.
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In what ratio, sugar costing Rs 60 per kg he mixed with sugar costing