During a sale, 50% of the goods are sold at 21% profit, 40% of the remaining goods are sold at 36% profit and the still remaining goods are sold at a loss of 29%. If there is an overall profit of x%, then what is the value of x?
9
Take the total value of goods as 100 units (cost price basis).
First part: 50% of goods are sold at 21% profit, contributing a profit of \(0.5 \times 21 = 10.5\).
Remaining goods after the first sale are 50%. Of these, 40% are sold, i.e. \(0.4 \times 50\% = 20\%\) of the total, at 36% profit, contributing \(0.2 \times 36 = 7.2\).
The still remaining goods are \(100\% - 50\% - 20\% = 30\%\), sold at a 29% loss, contributing \(0.3 \times (-29) = -8.7\).
Overall percentage profit \(x = 10.5 + 7.2 - 8.7 = 9\).
Hence, the value of x is 9.
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?
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?
An article when sold at a gain of 5%, yields Rs. 15 more than when sold at a loss of 5%. The cost price will be