Question

Mason A can build a shed in 12 hours. Mason B takes
9 hours while Mason takes 12 hours to do the same
job. If the three masons are put to work together how
long will they take to build the shed How will the
payment of 1000 for the job be distributed among
the three​​

Answer 1

Answer:

Mason 1 do work in 1 hour =1/12 part

Mason 2 do work in 1 hour =1/9 part

Mason do work in 1 hour =1/12 part

they altogether do work in one hour= 10/36 part

hence total time needed to do work = 36/10 hours