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Work done is directly proportional to:

Correct answer: C. Efficiency

  • A. Time
  • B. Area
  • C. Efficiency
  • D. Volume

Explanation

Work done is directly proportional to efficiency because efficiency measures how effectively a task is performed. Higher efficiency means more work can be completed in a given time. Time, although a factor, doesn't guarantee more work unless efficiency is constant, making it an indirect factor. Area and volume are not part of the fundamental work-rate relationship unless specified by the problem's context, which is not present in this question.

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Logical problems present several conditions about people, objects, events or choices and require their possible arrangements to be tested. They cover constraint-based reasoning, rankings, matching, grouping, scheduling and elimination, with attention to the difference between a complete solution and a possibility that merely satisfies one condition.

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