A can do a piece of work in 20 days and B in 40 days. A begins the work and thereafter they work alternately one and each day. On which day will the work be completed
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Let totally work is 40 unit
A work 2 unit per day while B 1 unit per day
Joint = 3 unit
In 26 days they complete 39(13*3)unit work by doing alerternate days
Remaining 1 unit. That can be completed on 27 day
A work 2 unit per day while B 1 unit per day
Joint = 3 unit
In 26 days they complete 39(13*3)unit work by doing alerternate days
Remaining 1 unit. That can be completed on 27 day
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