An article was sold at a profit of 12%. If the cost price would be 10% less and selling price would be Rs.5.75 more, there would be profit of 30%. Then at what price it should be sold to make profit of 20%.

A shop keeper sells a badminton racket whose marked price is Rs 30, at a discount of 15% and gives a shuttle cock costing Rs. 1.50 free with each racket. Even then he makes a profit of 20% in racket. His cost price, per racket, is

After giving three successive discounts of 15%, 5% and p%, respectively, on the marked price of an article of Rs. 4,800, It is sold for Rs. 3,100.80. What is the value of p?

A grocery dealer cheats to the extent of 10% while buying as well as selling by using false weight. What is his actual gain % in whole process?