গাণিতিক যুক্তি MCQ
A shopkeeper mixed low-quality vegetable oil costing Tk. 40 per litre with sunflower refined oil costing Tk. 80 per litre in a ratio of 2 ∶ 3 respectively. If he sold the mixture at Tk. 100 per litre, find his profit percentage.
সঠিক উত্তর
56.25%