MCQ
If $12$ labours can construct a road in $50$ hours, how many labours will be required to construct the same road in $40$ hours?
- A$10$
- ✓$15$
- C$12$
- D$14$
✓
Answer
Correct option: B.
$15$
$12\times50=\text{x}\times40$
$\text{x}=\frac{(12\times50)}{40}=15$
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