P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P and Q.A. 1 : 3B. 6 : 5C. 5 : 6D. 4 : 5

P can do a piece of work in 60 days & Q can do the same work in 50 day

1.	P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P and Q.A. 1 : 3B. 6 : 5C. 5 : 6D. 4 : 5
A.	A
B.	B
C.	C
D.	D
Answer» D. D

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P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P and Q.A. 1 : 3B. 6 : 5C. 5 : 6D. 4 : 5

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