Q. A customer buys a laptop for $800 after a discount of 20%. What was the marked price?
A.
$1000
B.
$900
C.
$850
D.
$800
Solution
Let the marked price be x. After a 20% discount, the selling price is 0.80x. Setting this equal to $800 gives 0.80x = $800, so x = $800 / 0.80 = $1000.
Q. A customer buys three items priced at $50, $70, and $80. If a discount of 15% is applied to the total bill, what is the amount saved due to the discount?
Q. A customer buys two items for $120 each. If the first item has a profit margin of 25% and the second has a loss of 25%, what is the overall profit or loss?
A.
$0
B.
$10 profit
C.
$10 loss
D.
$20 profit
Solution
Cost Price of first item = 120 / 1.25 = $96; Cost Price of second item = 120 / 0.75 = $160. Total Cost Price = 96 + 160 = $256; Total Selling Price = 240. Loss = 256 - 240 = $16.
Q. A customer buys two items for $120 each. If the first item has a profit of 20% and the second has a loss of 20%, what is the overall profit or loss? (2023)
A.
No profit, no loss
B.
Loss of $12
C.
Profit of $12
D.
Profit of $24
Solution
Cost Price of first item = 100, Selling Price = 120. Cost Price of second item = 150, Selling Price = 120. Total Cost Price = 250, Total Selling Price = 240. Overall loss = 10.
Q. A customer buys two items for $120 each. If the shopkeeper gives a discount of 10% on the total bill, what is the final amount paid by the customer? (2023)
A.
$216
B.
$220
C.
$240
D.
$250
Solution
Total cost before discount = 2 * $120 = $240. Discount = 10% of $240 = $24. Final amount = $240 - $24 = $216.
Q. A customer buys two items for $240 after a discount of 10% on each. What was the total marked price of the items?
A.
$250
B.
$260
C.
$270
D.
$280
Solution
Let the total marked price be x. After a 10% discount, the selling price is 0.90x. Setting this equal to $240 gives 0.90x = $240, so x = $240 / 0.90 = $266.67, which rounds to $280.
Q. A factory produces two types of widgets. The first type is produced every 12 days and the second every 15 days. How often will both types be produced on the same day? (2023)
A.
30 days
B.
60 days
C.
45 days
D.
75 days
Solution
The LCM of 12 and 15 is 60, so both types will be produced on the same day every 60 days.
Quantitative Aptitude is a crucial component of various competitive exams, including the CAT. Mastering this subject not only enhances your mathematical skills but also boosts your confidence during exams. Practicing MCQs and objective questions is essential for effective exam preparation, as it helps identify important questions and strengthens your grasp of key concepts.
What You Will Practise Here
Number Systems and Properties
Percentage, Profit and Loss
Ratio and Proportion
Time, Speed, and Distance
Averages and Mixtures
Algebraic Expressions and Equations
Data Interpretation and Analysis
Exam Relevance
Quantitative Aptitude is a significant topic in various examinations, including CBSE, State Boards, NEET, and JEE. In these exams, you can expect questions that test your understanding of basic concepts, application of formulas, and problem-solving skills. Common question patterns include multiple-choice questions that require quick calculations and logical reasoning.
Common Mistakes Students Make
Misunderstanding the question requirements, leading to incorrect answers.
Overlooking units of measurement in word problems.
Not applying the correct formulas for different types of problems.
Rushing through calculations, resulting in simple arithmetic errors.
Failing to interpret data correctly in graphs and tables.
FAQs
Question: What are the best ways to prepare for Quantitative Aptitude in exams? Answer: Regular practice with MCQs, understanding key concepts, and reviewing mistakes can significantly improve your performance.
Question: How can I improve my speed in solving Quantitative Aptitude questions? Answer: Practice timed quizzes and focus on shortcuts and tricks to solve problems quickly.
Start solving practice MCQs today to test your understanding of Quantitative Aptitude and enhance your exam readiness. Remember, consistent practice is the key to success!
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