Elitmus Exam Numerical Ability Time and Work

a can do a piece of work in 8 days which b can destroy in 3 days.a has worked for 6 days,during the last 2 of which b has been destroying,how many days must a now work alone to complete the work?

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Elitmus Other Question

a ,b and c can do a piece of work in 30,20 and 10 days respt.a is assisted by b on one day and by c on the other day alternately.how long would it take to finish the work? 16 women take 12 days to complete a work which can be completed by 12 men in 8 days.16 men started working and after 3 days 10 men left and 4 women joined them.how many days will it take then to complete the remaining work?