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Author: Nitin       Member Level: Diamond       Category: Aptitude Test

Working independently, machines A, B, C and D can do a certain assignment, in 4, 6, 8 and 10 hours, respectively. If two machines work together at their individual rates, what is the ratio of the time it takes machines A and B to do the assignment to the time it takes machines C and D to do the assignment ?

Select Answer:

5/9
27/50
50/27
3/32
32/3



Question Source: GMAT
      
Your Test Score: 0 / 0



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