Waec Model Questions Vol2 2025 Mathematics Question 25
Practice objective / multiple choice question 25 from the 2025 Waec Model Questions Vol2 Mathematics examination.
The time \(T\) (in hours) required for a job varies directly as the square of the number of workers \(n\) and inversely as the efficiency \(e\) of each worker. If 5 workers each with efficiency \(80\%\) complete the job in 8 hours, how many workers each with efficiency \(60\%\) are needed to complete the same job in 6 hours? (Assume the number of workers may be taken as a whole number.)
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About This Question
This is Waec Model Questions Vol2 2025 Mathematics Question 25. It is one of the objective questions from the 2025 Waec Model Questions Vol2 Mathematics examination.
Difficulty level: Medium .
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