Ram purchased 3 oranges at Rs. 20 each and 5 mangoes at Rs. 38 each and then sold them by offering discounts of 25% and 20% on the fixed marked prices of oranges and mangoes, respectively. If he…

Each mango was marked at $60$ rupees. The fruits cost $3\cdot20+5\cdot38=250$ rupees, so the total selling price was $250\cdot1.32=330$ rupees. The oranges sold for $60\cdot1.5=90$ rupees altogether, leaving $240$ rupees for five mangoes. The value $48$ is the selling price of one mango, and dividing it by $0.80$ gives its marked price.