Ashok and mohan can do a piece of work

Asked by admin @ in Math viewed by 1509 People

Ashok and mohan can do a piece of work in 12 days. Mohan and binod together do it in 15 days. If ashok is twice as good a workman as binod. In how much time will mohan alone can do the work

Answered by admin @


Thank you for asking this question, here is your answer:

Let Ashok as A and Mohan as B and Binod as C:

A + B = 12 days


B + C = 15 days


Efficiency - A/C = 2/1


A = 2u and C = 1u


Let the total work be 60u ( LCM of 12 and 15)


One day work for -


A + B = 5u - (1)


B + C = 4u - (2)


Putting the value of A=2u in eq. 1


B = 3u


Now no. of days taken by B to complete the work = 60 / 3 = 20 days


For A = 60 / 2 = 30 days


For C = 60 /1 = 60 days

If there is any confusion please leave a comment below.


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