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Start learning 50% faster. Sign in nowIf B’s age be x years, then A’s age be (x - 4) years. According to question, => (x – 4)/x = 5/7 => 7x – 28 = 5x => x = 14 Therefore A's age = 14 – 4 = 10 years
The ratio of cost price to the marked price of an article is 5:8. The article had been marked above its cost price by Rs. 360. If the article was sold a...
A person named 'X' purchased a mobile phone and a headphone. He sells the mobile phone at a 20% profit and the headphone at a 10%...
A and B together started a business with initial investment in the ratio of 3:5, respectively. The time-period of investment for A and B is in the ratio...
The cost price of two articles is same. One article is sold at 25% profit and another at 12% loss. If the selling price of one article is Rs. 777 more t...
A shopkeeper marked the price of a bicycle at Rs. 15,000. He offers a discount of 30% on the marked price, and an additional 5% d...
D-Mart sold two toys - one at 10% loss and another at 20% profit. What is the percent profit or loss if the cost prices of the toys are in the ratio 3:2?
A seller marked the price of an item at Rs. 4,000. The seller gave successive discounts of (z + 4)% and (z - 4)% to a customer. If the customer paid Rs....
A person buys 5 tables and 9 chairs for Rs15,400. He sells the tables at 10% profit and chairs at 20% profit. If his total profit on selling all the tab...
Selling price of article ‘A’ when sold at a profit of 50% is Rs. 180 more than its selling price when sold at a loss of 40%. If the cost price of ar...
A shopkeeper mixes 40 kg sugar worth Rs.15 per kg with 160 kg sugar worth Rs. 25 per kg. At what rate should he sell the mixture per kg to gain a profit...
