A store has in stock 20 dozen shirts, 15 dozen trousers, and 25 dozen pair of socks. If the selling prices is Rs. 50 per shirt, Rs. 90 per trouser and Rs. 12 per pair of socks, then find the total amount the store owner will get after selling all the items in the stock.

The cooperative stores of a particular school has 10 dozen physics books,8 dozen chemistry books and 5 dozen mathematics books.Their selling prices are Rs.8.30, Rs.3.45 and Rs.4.50 each respectively.Find the total amount the store will receive from selling all the items.

The bookshop of a particular school has 10 dozen chemistry books,8 dozen physics books,10 dozen economics books.Their selling prices are Rs 80, Rs 60 and Rs40 each respectively. Find the total amount the bookshop will receive from selling all the books using matrix algebra.

There are 20 dozen shirts , 15 Dozen pants and 25 Dozen a pair of socks in rajesh 's shop , if the cost of a shrit , a pant and a pair of socks are respectivley Rs. 60, Rs. 110 and Rs. 25, ,then find the total selling price of these things.

The price of petrol is Rs. 60 per litre and the price of spirit is Rs. 40 per litre. In what ratio the petrol and spirit be mixed such that the profit after selling the mixture at Rs. 75 per litre be 25%?

A man buys 8 dozens of magones, 10 dozens of appes and 4 dozens of basnanas. Mangoes cost Rs. 18 per dozen, apples Rs. 9 per dozen nd bananas Rs. 6 per dozen. Represent the quantities bought by a row matrix and the prices byka column matrix and hence obtain the total cost.

The price of petrol is rs 60 per litre and the price of spirit is rs 40 per litre. In what ratio the petrol and spirit be mixed such that the profit after selling the mixture at rs 75 per litre be 25%?

A man buys 8 dozens of mangoes, 10 dozens of apples and 4 dozens of bananas. Mangoes cost Rs. 18 per dozen, apples Rs. 9 per dozen and bananas Rs 6 per dozen. Represent the quantities bought by a row matrix and the prices by a column matrix and hence obtain the total cost.

On selling of 12 dozens of bananas for Rs. 360, a fruit seller got Rs. 120 profit. Find the cost price of banana per dozen.