Prakash and Vikash together can do a work in (120/7) days. Lokesh, who is 20% less efficient than Vikash does the work alone in 50 days. In how many days will Prakash alone do the work completely?

Prakash and Vikash together can do a work in (120/7) days. Lokesh, who

1.	Prakash and Vikash together can do a work in (120/7) days. Lokesh, who is 20% less efficient than Vikash does the work alone in 50 days. In how many days will Prakash alone do the work completely?
A.	50 days
B.	40 days
C.	25 days
D.	32 days
E.	None of these
Answer» F.

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Prakash and Vikash together can do a work in (120/7) days. Lokesh, who is 20% less efficient than Vikash does the work alone in 50 days. In how many days will Prakash alone do the work completely?

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