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     EduGorilla 
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    There are two beakers containing equal quantities of 30% alcohol. Rahul changed the concentration of first beaker to 40% by adding extra pure quality of alcohol. Nikhil changed the concentration of second beaker to 50% by replacing a certain quantity of the solution with pure alcohol. By what percentage is the quantity replaced by Nikhil more than that of alcohol added by Rahul  ?

    Options :-

    1. 500/7%
    2. 66 1/3%
    3. 50%
    4. 72 2/3%
    5. Can’t be determined
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