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Public Service Entrance Exam (PSEE) · Question

Two clerks process 90 files in 6 hours together. Working alone at the same combined rate, one clerk processing alone takes how many hours for 30 files?

Combined rate 15/hr means each averages 7.5/hr; 30/7.5=4.

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Question: Two clerks process 90 files in 6 hours together. Working alone at the same combined rate, one clerk processing alone takes how many hours for 30 files?

Answer options:

  • 2
  • 3 ✅ 4
  • 6

Correct answer: 4

Explanation: Combined rate 15/hr means each averages 7.5/hr; 30/7.5=4.

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