Part C - Elementary Mathematics
Six friends have an average height of 144 cm. A boy with a height of 150 cm leaves the group. Find the new average height.
The difference between cost price and selling price is Rs. 264. If profit percentage is 33 percent, then what is the selling price?
Marked price of a chair is Rs. 5,000. After giving two successive discounts of 10 percent and x percent, the chair is sold for Rs. 3,150. What is the value of x?
Marked price of an article is Rs. 28,500 and its selling price is Rs. 15,675. What is the discount percentage?