If the rate of application is 3.0 kg of insecticides per hectare, the quantity of simazine (80% WP) required to be sprayed over a 0.4 hectare area would be:

Correct option is C

Step 1: Understand the formula
When a wettable powder (WP) has less than 100% active ingredient, the quantity of formulation required is calculated using:

Step 2: Substitute values
· Dose per hectare = 3.0 kg
· Area = 0.4 ha
· Active ingredient = 80% = 0.80

✅ Final Answer:
(c) 1.5 kg