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Working efficiencies of P and Q for completing a piece of work are in the ratio 3 : 4. The number of days to be taken by them to complete the work will be in the ratio
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- 3 : 2
- 2 : 3
- 3 : 4
- 4 : 3
Correct Option: D
Using Rule 15,
Efficiency and time taken are inversely proportional.
∴ Required ratio = 4 : 3
