A, B and C can do a piece of work in 20 days, 30 days and 60 days. If A works continuously and on every third day B and C also work with A, then in how many days the work will be completed???

Question

nihit agrawal · Answer

work done by a b and c together is 1/10
work done by a is 1/20 
so work done in three days is 
1/20+1/20+1/10 = 4/20 = 1/5
So work will be completed in 15 Days

Vivek Gorrepati · Answer

ans .14 dayswork done by b and c in one day is 1/30 +1/60 = 1/20.work done by a in one day =1/20.they for one day for every 3 days work done by a is 20 ===>  20/3 is 6 days.b and c work for 6 days .therefor 20-6 = 14

Rachana · Answer

Please explain how????

Abhinav Vivek · Answer

15 days

A, B and C can do a piece of work in 20 days, 30 days and 60 days. If A works continuously and on every third day B and C also work with A, then in how many days the work will be completed???

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