Find the ratio in which rice at rs. 7.20 a kg be mixed with rice at rs. 5.70 a kg to produce a mixture worth rs. 6.30 a kg
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Alligation method
7.20. .. 5.70
6.30
0.60. .. 0.90
0.60: 0.90
6:9
2:3
mixed in the ratio 2:3
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