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.

A fruit seller bought 600 bananas at 6 for Rs. 5 and sold at 5 for Rs. 5. Find: (i) the cost price of all bananas. (ii) the selling price of all bananas. (iii) his profit and profit percentage on the whole deal.

By selling 8 bananas, a fruit seller gains the selling price of 1 banana. Calculate his gain per cent.

By selling 8 bananas, a fruit seller gains the selling price of 1 banana. Calculate his gain per cent.

The cost of 1 dozen bananas is Rs. 30. The cost of 6 oranges is Rs. 18. The ratio of the cost of a banana to the cost of an orange is

The cost of an article is Rs. 500 and on selling it, the shopkeeper got 6.4% profit. Find the selling price of article.

Cost of 4 dozens of banana is Rs. 60. How many bananas can be purchased for Rs. 12.50.

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.