In a village with 150 households, each household employs 2 workers. The average productivity of an unskilled worker is 30 units per week. The village council plans to train 90 workers at a cost of ₹700 per worker. After training, each trained worker’s productivity increases by 25%. Calculate: (a) the total cost of the training program; (b) the total increase in weekly output of the village.
Answer
₹63,000 and 675 units
The correct answer is ₹63,000 and 675 units — Multiply by number of trained workers: 90 × 7.5 = 675 units. (Total increase).
Step-by-step solution
- Compute cost: 90 workers × ₹700 = ₹63,000. (Cost of training)
- Compute increase per trained worker: 25% of 30 = 7.5 units. (Increase per worker)
- Multiply by number of trained workers: 90 × 7.5 = 675 units. (Total increase).
Common mistake: Forgetting to multiply per worker by number of trained workers
Concept tested: Cost‑benefit of training
Published · How this solution was prepared and checked
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