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Total age of three children = 24 × 3 = 72 years Let their ages be 5x, 6x and 7x respectively. => 5x + 6x + 7x = 72 => 18x = 72 => x = 4 Therefore the age of youngest child = 5 × 4 = 20 years
A dealer marks his article 50% above the cost price and gives a discount of 20% on it. If he later marked his article 75% above the cost price and gave ...
A shopkeeper marked an article ‘A’ 12% above the cost price and sold it for Rs. 10080 after giving a certain discount while he sold an article ‘B�...
A pen seller sets the selling price of all pens 40% higher than their cost price. He manages to sell 70% of the pens at this marked price, while offerin...
A product is sold for ₹1050, but its marked price is ₹1400. Calculate the discount percentage given by the shopkeeper.
A company produces 5,000 units of a product in a month. The fixed cost is Rs 10,000, and the variable cost per unit is Rs 15. If the company sells each ...
A traveller wants to earn
A watch and a calculator were purchased with their cost prices in a ratio of 2:1, respectively. The calculator was sold at a 25% loss, and the watch was...
A farmer sold two cows, each for ₹45,000. He made a 12.5% profit on the sale of one cow but incurred a 16(2/3)% loss on the sale of the other. Calcula...
58 notebooks have been purchased at the rate of 1 Rs. How many notebooks should be sold at the rate of Rs 1 to earn 45% profit?
Article ‘P’, if sold at a profit of 20% earns a profit of Rs. 500. If article ‘P’ is marked 40% above its cost price and then sold after offerin...