1.

two men can do a piece of work in 6 hour and 4 hour respectively after the first has worked for two hour he is joined by the other but when should the work be completed​

Answer»

THIS IS YOUR ANSWER.Step-by-step explanation:A can do a piece of WORK in 6 HOURS & B can do in 4 hours. Hence, the Total time TAKEN to be completed the work = 3 3/5=3 hrs 36 min.



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