Problem based on time and work (Common Aptitude)

Ram and Sita can do a work in 30 days whereas Ram alone can do it in 10 days.How many days will it take for Sita to do the work alone?

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  • The answer is in negative ,your question is not correct.
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  • Hi Pooja!This is Neeraj Atluri.Simple way to answer these questions are
    Ram and Sita work together and complete work in 30 days=>daily work done by them is 1/30;
    Ram alone work=10 days=>per day work is 1/10;
    Ram +Sita=1/30
    1/10+Sita=1/30
    Sita=1/30-1/10;
    Sita= -1/15;
    As you got the answer in negetive,Your question is not so appropriate because "the task completion days induvidual should be" >"Task completion days when they work as group".But according to  your question it is vice versa.So your question is not so appropriate.
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