If the ratio of two numbers is 1:5 and their product is 320, then the difference between the squares of these two numbers is:
1536
Let the two numbers be x and 5x. Their product is given by:
x * 5x = 320,
5x^2 = 320,
x^2 = 64.
The difference between the squares is:
(5x)^2 - x^2 = 25x^2 - x^2 = 24x^2 = 1536.
Therefore, the difference between the squares is 1536.
A merchant changed his trade discount from 25% to 15%. This would increase selling price by
If percentage of profit made, when an article is sold for Rs.78, is twice as when it is sold for Rs.69, the cost price of the article is
A shopkeeper marks his goods 50% more than the cost price and allows a discount of 25%. His profit or loss percentage is:
The selling price of 6 bananas is equal to the cost price of 8 bananas. Then the percentage of profit is
The marked price of a ceiling fan is Rs. 1200 and the shopkeeper allows a discount of 5% on it. Then selling price of the fan is
A merchant buys 25 litres of milk daily at the rate of ₹ 12 per litre. He mixes 5 litres of water in it and sells at the rate ₹ 10.40 per litre. His gain/loss is:
If the ratio of cost price and selling price be 10:11, then the profit percentage is
If 10% loss is made on selling price, then the rate of loss on the cost price will be:
Cost price of 28 articles is equal to Sale price of 21 articles, then percentage of profit is
A retailer gets a discount of 40% on the printed price of an article. The retailer sells it at the printed price. His gain percent is?
Rohit buys 8 pens and 4 pencils for Rs. 2400. He sells pencils at a profit of 20 percent and pens at the loss of 10 percent. If his overall profit is Rs. 240, then what is the sum of the cost price of one pen and one pencil?
A man sells a car to his friend at the loss of 10 %; who in return sells it for Rs. 54000 making a profit of 20 %. What was the initial value of the car?
An article was sold at a loss of 24%. If it were sold for Rs. 1,596 more, then there would have been a gain of 18%, The cost price of the article is:
The cost price of an article is Rs.6,450. If it sold at a profit 16%, how much would be its selling price?
If the selling price of 7 articles is equal to the cost price of 6 articles, then what is the percentage loss?