Ratio of number of teachers to that of students \(= \frac{102}{3300}\)
\(= \frac{17}{550}\)
\(= 17:550\)
A shopkeeper sells an item at a 20 % discount on the marked price and still makes a 25 % profit. If the marked price is 500 rupees, what is the cost price of the item?
Object | Material |
Book | Glass |
Tumbler | Wood |
Chair | Paper |
Toy | Leather |
Shoes | Plastics |