Question

Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a
road for 72 km. What would be her distance covered in the map?

• A. $2$
• B. $4$
• C. $6$
• D. $8$

Answer 1

The correct option is B $4$

Length of scale for 18 km $=1cm$

Length of scale for 1 km $=\frac{1}{18}cm$

Length of scale for 72 km $=\frac{1\times 72}{18}cm=4cm$