The efficiency of work of P and Q are in...

The efficiency of work of P and Q are in the ratio 5 : 7. What will be the ratio of number of days taken by them to finish the work?
A. 7:5
B. 3:4
C. 4:3
D. 5:7

A

A

B

D

C

B

D

C

Text Solution

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The correct Answer is:

A

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