If Ram purchases a single fan, he gets an 8% discount. However, if he purchases three fans, he gets a 6% discount on the first, 10% on the second, and 12% on the third. If the total price paid by Ram for three fans is ₹6,800, what is the marked price of each fan?

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?