Medium
The map scale 1:50000 means:
Explanation
Explanation
Per the official answer key the marked answer is 'C' (5 km). Note: using the standard scale-conversion formula, 1:50000 mathematically works out to 1 cm = 0.5 km (option D); this discrepancy may reflect an error in the printed key or question, so treat this one with some caution.
PRO TIP
Re-check your working by substituting the answer back into the original question.