A map has a scale of 1 cm to 30 km, What length on actual ground does a 3cm length on the map represent?

A map has a scale of 1 cm to 30 km, What length on actual ground does a 3cm length on the map represent?

A 9 km

B 1 km

C 6 km

D 6 cm

Solution

Correct Answer: Option A

1 cm = 30 km

3 cm = (30 * 3) km

= 90 km