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Explanation: A modem (modulator-demodulator) converts digital signals from a computer into analog signals for transmission over telephone lines and vice versa.
The ratio of the cost price to the marked price of an article is 2:5 and the ratio of the profit percentage to the discount percentage is 5:2. Find the...
The cost price of a refrigerator and a washing machine is Rs. 50,000 and Rs. 90,000, respectively. The shopkeeper sold the washing machine and the refri...
A shopkeeper sells oranges at a price of ₹80 per orange for purchases up to 100 oranges. However, for every additional 10 oranges bought beyond 100, t...
An article sold for Rs. 140.60 yields a 48% profit. To achieve a 64% profit, what should be the new selling price?
After getting two successive discounts, Seema got a shirt at ₹153, for which the marked price was ₹200. If the second discount was 15%, the first d...
Pine Tree Publications sold a Textbook for Rs. 120 and made a profit of 25% on its CP and sold an Encyclopedia for Rs. 720 and made a profit of 15% on i...
A shopkeeper marked an article P% above its cost price and sold it for Rs. 748.8 after giving a discount of 28%. If the shopkeeper had a loss of 6.4% on...
The total cost price of three shirts in different colors—black, blue, and green—is ₹380. The price of the blue shirt is ₹20 more than the green ...
Two pipes 'X' and 'Y' can fill a tank in 24 minutes and 36 minutes, respectively, while a pipe 'Z' can empty the tank in 72 minutes. If all three pipes ...
A company produces two types of products, A and B. The production cost of A is Rs. 300 per unit, and the production cost of B is Rs. 450 per unit. The c...
