Four friends, Ram, Ghanshyam, Ravi, and Sham have taken up a typing project. The typing speed of Ram is 40% more the typing speed of Ghanshyam and the typing speed of Ravi is 37.5% less than the typing speed of Sham. The ratio between the typing speed of Ghanshyam and Ravi is 1 : 2. All of four works one by one each day in rotation, starting with Ghanshyam followed by Ram, Sham and Ravi respectively then they can complete the project in 173 days.[S.1 Q.3] If Ram works at 5/7th of his original efficiency and Ghanshyam works 25% more than his original efficiency then in how many days they all can complete the project? (All of them work one by one each day in rotation starting with Ghanshyam followed by Ram, Sham and Ravi respectively)

Four friends, Ram, Ghanshyam, Ravi, and Sham have taken up a typing pr

1.	Four friends, Ram, Ghanshyam, Ravi, and Sham have taken up a typing project. The typing speed of Ram is 40% more the typing speed of Ghanshyam and the typing speed of Ravi is 37.5% less than the typing speed of Sham. The ratio between the typing speed of Ghanshyam and Ravi is 1 : 2. All of four works one by one each day in rotation, starting with Ghanshyam followed by Ram, Sham and Ravi respectively then they can complete the project in 173 days.[S.1 Q.3] If Ram works at 5/7th of his original efficiency and Ghanshyam works 25% more than his original efficiency then in how many days they all can complete the project? (All of them work one by one each day in rotation starting with Ghanshyam followed by Ram, Sham and Ravi respectively)
A.	180 days
B.	183 days
C.	172 days
D.	176 days
E.	None of these
Answer» E. None of these

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