The rainfall on a certain day was 6 cm. How many litres of water fell on 3 hectares of field on that day?
Given,
Area of field = 3 hectare = 3×10000 m2 = 30000 m2
Depth of water on the field = 6 cm = 
∴ volume of water = area of field × depth of water
= 30000 × 0.06 = 1800 m3
= 
∴
16