A textile mill has 120 workers. 45 workers have received a recent training program. After training, each trained worker's output increases by 20% while untrained workers' output remains unchanged. If each worker originally produced 40 units of cloth per day, calculate the overall increase in daily output of the mill.
Answer
360 units
The correct answer is 360 units — Total increase = 45 trained workers × 8 units = 360 units.
Step-by-step solution
- Calculate original output per worker: 40 units.
- Increase for each trained worker: 40 × 20% = 8 units.
- Total increase = 45 trained workers × 8 units = 360 units.
Common mistake: Miscalculating percentage increase or forgetting to multiply by number of workers.
Concept tested: Effect of training on aggregate productivity.
Published · How this solution was prepared and checked
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