UPSC CDS Math Work, Time and Unitary Method Questions

© examsiri.com
Question : 28 of 40
 
Marks: +1, -0
The efficiency of P is twice that of Q, whereas the efficiency of P and Q together is three times that of R. If P, Q and R work together on a job, in what ratio should they share their earnings?
[2015 CDS-I]
Go to Question: