EC > GATE 2019 > Quantitative Aptitude
It would take one machine 4 hours to complete a production order and another machine 2 hours to complete the same order. If both machines work simultaneously at their respective constant rates, the time taken to complete the same order is... hours.
A
2/3
B
3/4
C
4/3
D
7/3

Correct : c

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work rate problem EC GATE 2019 combined work rate machine production rate time to complete order GATE electrical work rate simultaneous EC gate questions combined machines work rate

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