Pratibha is thrices as efficient as Sonia and is therefore able to finish a piece of work in 60 days less than Sonia. Pratibha and Sonia can individually complete the work respectively in

Pratibha is thrices as efficient as Sonia and is therefore able to fin

1.	Pratibha is thrices as efficient as Sonia and is therefore able to finish a piece of work in 60 days less than Sonia. Pratibha and Sonia can individually complete the work respectively in
A.	30 days, 60 days
B.	60 days, 90 days
C.	30 days, 90 days
D.	40 days, 120 days
Answer» D. 40 days, 120 days

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Pratibha is thrices as efficient as Sonia and is therefore able to finish a piece of work in 60 days less than Sonia. Pratibha and Sonia can individually complete the work respectively in

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