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  1. In what ratio must 25% of alcohol be mixed with 50% of alcohol to get a mixture of 40% strength alcohol ?
    1. 1 : 2
    2. 2 : 1
    3. 2 : 3
    4. 3 : 2
Correct Option: C


∴ Required ratio = Alcohol I : Alcohol II

∴ Required ratio =
1
:
3
= 2 : 3
1020


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