Correct Answer - Option 3 : 16 L
Given
A milkman sold 200L milk in 5 days
He sold 12L more milk than earlier each day
Concept used
Simple addition
Calculation
⇒ Let milk be sold by milkman on first day = x
⇒ x + x + 12 + x + 24 + x + 36 + x + 48 = 200
⇒ 5x + 120 = 200
⇒ 5x = 80
⇒ x = 16
∴ Milkman sold 16L of milk on first day.