P works thrice as fast as Q, whereas P and Q together can work four times as fast as R. If P, Q and R together work on a job, in what ratio should they share the earnings? (a) 3 : 1 : 1 (b) 3 : 2 : 4
(c) 4 : 3 : 4 (d) 3 : 1 : 4
2017_Qn A54, P works thrice as fast as Q, whereas P and Q together can work four times as fast as R.
P works thrice as fast as Q, whereas P and Q together can work four times as fast as R. If P, Q and R together work on a job, in what ratio should they share the earnings? (a) 3 : 1 : 1 (b) 3 : 2 : 4
(c) 4 : 3 : 4 (d) 3 : 1 : 4
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