If 30 workers make 3000 units in 20 days, working 8 hours a day, then 32 workers, working 10 hours a day, will produce 2000 units in how many days?
- 10 Days
- 14 Days
- 12 Days
- None of these
Explanation
Use the work formula:
Workers × Days × Hours per day / Units = constant
Case 1:
30 workers, 20 days, 8 hours/day, 3000 units
Case 2:
32 workers, D days, 10 hours/day, 2000 units
So,
(30 × 20 × 8) / 3000 = (32 × D × 10) / 2000
4800 / 3000 = 320D / 2000
1.6 = 0.16D
D = 1.6 / 0.16 = 10
Last verified on 05-08-2026
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