MCA Second Engineer Mathematics Practice Questions - MCA Second Engineer - Mathematics (Qualifications Scotland MCA Written Examination) Exam

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A pump discharges 480 m3 of bilge water in 4 hours. A second pump of equal capacity is started after 1 hour so both finish the remaining work. How long after the second pump starts is the discharge complete?

1.5 hours 1.75 hours 2 hours 2.5 hours

Correct Answer:

1.5 hours

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