Worker A takes 10 hours to do a job. Worker B takes 14 hours to do the same job. How should it takes both A and B, working together but independently, to do the same job?

Options
- 5 days
- 5.83 days
- 6 days
- None

CORRECT ANSWER : 5.83 days

Discussion Board
Discussion board

A = 10
B = 14

A+B = A*B/A+B

= 140/24
= 5.83
final answer = 5.83

Vikas Patil 06-15-2020 10:14 AM

correction

it should be ''5.83 hours'' not days.


riya 07-21-2019 02:57 AM

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