A ने एक मेज जिसका अंकित मूल्य ₹3,000 था, क्रमशः 10% तथा 15% की दो क्रमिक छूट पर खरीदी। उसने ₹105 परिवहन पर व्यय किए तथा मेज को ₹3,200 में बेच दिया। उसके लाभ का प्रतिशत क्या होगा?

A company considers hiring an extra machine for $150 per day to produce additional units. If the additional throughput contribution generated from producing these units on the machine is $390, by how much will total profit increase?

If the cost price of an article is 85 times its selling price, what is the loss percentage?