Marked price of a chair is Rs 800 and discount is 15%. What is additional discount (in percentage) should be offered to the customer to bring the price of chair to Rs 578?

Selling price of an article is Rs 1144. If loss percentage is 12%, then what is the cost price (in Rs) of article?

The simple interest on a sum for 5 years is Rs 16800. The rate of interest for the first 3 years is 8% per annum and for the next 2 years is 12% per annum. What is the value (in Rs) of sum?

P starts a business with Rs 14000. After 8 months Q joins P with Rs 8000. After 3 years, what will be the ratio of the profit of P and Q?

The ratio of three numbers is 2 : 5 : 7. If their product is 1890, then what is the sum of the three numbers?

If P = 5X and Q = X, then P is how much percentage more than Q?

The point of the intersection of three medians is known as the ____________.

 The line bisecting all the three angles of a triangle meets at a common point. This point is known as ______________.