The rates of working of A and B are in the ratio 3 : 4. The number of days taken by them to finish the work are in the ratio ?

The rates of working of A and B are in the ratio 3 : 4. The number of

1.	The rates of working of A and B are in the ratio 3 : 4. The number of days taken by them to finish the work are in the ratio ?
A.	3 : 4
B.	9 : 16
C.	4 : 3
D.	None of these
Answer» D. None of these

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The rates of working of A and B are in the ratio 3 : 4. The number of days taken by them to finish the work are in the ratio ?

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