Correct Answer - Option 4 : 60%
Given:
SP= 1.2 CP
Formula used
Profit = SP - CP
% profit = (profit /CP) × 100
Calculation
Let the CP of 1 g = x
Given SP of 1 kg = 1.2 CP = 1200x
But the CP of what he is selling = 750x
His Profit = 1200x – 750x = 450x
∴ Total Profit % = (450x/750x) × 100 = 60%