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

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.	9 : 3
B.	7 : 3
C.	5 : 3
D.	4 : 3
Answer» E.

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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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