- AMore workers, fewer days to build a wall
- BMore litres of petrol, more distance covered
- CMore hours worked, more wages earned
- DMore cloth bought, more money paid
Step-by-Step Solution
When one quantity increases and the other decreases so their product stays constant, it is inverse. More workers finishing in fewer days fits this; the rest are direct proportions.
Answer: A) More workers, fewer days to build a wall