question_answer

Three friends Paul, Harish and Thomas take up the work of fencing the garden in their back yard and decide to help each other in their work to finish. Paul and Harish can finish the fencing work in 15 days, while Harish and Thomas can finish the work in 18 days and Thomas and Paul can finish in 20 days. If they decide to do the work separately, in how many, days will Harish finish the work?

A)  \[27\,\,\frac{9}{13}\,\,day\]

B)  \[32\,\,\frac{8}{11}\,\,day\]

C)        \[25\,day\]                    

D)  \[40\,\,\frac{1}{12}\,\,day\]

E)         None of these