The ratio in which a man must mix rice at 10.20 per kg and

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The ratio in which a man must mix rice at 10.20 per kg and 14.40 per kg so as to make a
mixture worth 12.60 per kg, is

1. 4 : 3
2. 2 : 5
3. 18 : 24
4. 3 : 4

Correct Option: D

∴ Required ratio = 1.8 : 2.4
= 18 : 24 = 3 : 4