Examination
Question : A Shopkeeper marked the price as INR 15,000 on an article, and a successive discount of 5%, 10% and 20% was allowed on it. What is the selling price?
Option 1: INR 10,260
Option 2: INR 13,520
Option 3: INR 11,520
Option 4: INR 9,850
Correct Answer: INR 10,260
Solution : A successive discount of 5%, 10%, and 20% means that these discounts are applied one after another For three successive discounts of 5%, 10%, and 20%, Selling price = $\frac{100-\text{Discount}_1\%}{100}× \frac{100-\text{Discount}_2\%}{100}×\frac{100-\text{Discount}_3\%}{100}×$ marked price ⇒ Selling price $=\frac{100-5}{100}×\frac{100-10}{100}×\frac{100-20}{100}×15000$ ⇒ Selling price $=\frac{95}{100}×\frac{90}{100}×\frac{80}{100}×15000$ ⇒ Selling price
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Question : PDA stands for:
Option 1: Personal Digital Assistant
Option 2: Personal Development Agency
Option 3: Personal Data Authority
Option 4: Personal Data Array
Correct Answer: Personal Digital Assistant
Solution : The correct option is Personal Digital Assistant.
PDA is an abbreviation for "Personal Digital Assistant." A personal digital assistant (PDA) is a portable electronic device that can manage contacts, calendars, tasks, and notes. PDAs were popular in the early 2000s, but they have
Question : Directions: In the following question, select the related number from the given alternatives. 20 : 11 :: 102 : ?
Option 1: 49
Option 2: 52
Option 3: 61
Option 4: 58
Correct Answer: 52
Solution : Given: 20 : 11 :: 102 : ?
Here, divide the first number by 2 and add 1 to it, to get the second number. Like, 20 : 11; 20 ÷ 2 = 10, 10 + 1 = 11 Similarly, for 102 : ?; 102
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Question : A profit of 12% is made when a mobile phone is sold at Rs. P and there is a 4% loss when the phone is sold at Rs. Q. Then Q : P is:
Option 1: 1 : 1
Option 2: 4 : 5
Option 3: 6 : 7
Option 4: 3 : 1
Correct Answer: 6 : 7
Solution : Let the cost price of the mobile phone as $x$. Given that a profit of 12% is made when the mobile phone is sold at Rs. P. $P = x + 0.12x = 1.12x$ And there is a 4% loss when the phone
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