A producer of tea blends two varieties of tea from two tea gardens one costing Rs 18 per kg and another Rs 20 per kg in the ratio 5 : 3. If he sells the blended variety at Rs 21 per kg, then his gain percent is

A shopkeeper sold an article for Rs 2564.36. Approximately what was his profit percent if the cost price of the article was Rs 2400

The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs 3. The ratio of two selling prices is

A shopkeeper cheats to the extent of 10% while buying and selling, by using false weights. His total gain is.

A TV is purchased at Rs. 5000 and sold at Rs. 4000, find the lost percent.

The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is

A man buys an article for Rs. 27.50 and sells it for Rs 28.60. Find his gain percent

If books bought at prices ranging from Rs. 200 to Rs. 350 are sold at prices ranging from Rs. 300 to Rs. 425, what is the greatest possible profit that might be made in selling eight books ?