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All employees of Company \(A\) and Company \(B\) work together on some project. The ratio of the number of employees in

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by M7MBA » Fri Jul 24, 2020 7:29 am

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All employees of Company \(A\) and Company \(B\) work together on some project. The ratio of the number of employees in company \(A\) and company \(B\) is \(5: 6,\) and each employee of company \(A\) can do the work \(3\) times faster than each employee of company \(B.\) What fraction of the project is done by the employees of company \(B?\)

A. \(\dfrac5{18}\)
B. \(\dfrac27\)
C. \(\dfrac25\)
D. \(\dfrac57\)
E. \(\dfrac{18}{23}\)

[spoiler]OA=B[/spoiler]

Source: e-GMAT
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Source: — Problem Solving |

No of worker in company A:B=5/6
Each employee of A can do the work 3 times faster than each employee of B
So every worker will be equivalent to 3 worker in A
so no of worker in A=21 B=6, considering all are working with same speed
required ratio=6/21=2/7
Hence,B
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