Arithmetic Aptitude MCQ & Objective Questions
Arithmetic Aptitude is a crucial component of many school and competitive exams in India. Mastering this subject not only enhances your mathematical skills but also boosts your confidence in tackling objective questions. Regular practice with MCQs and practice questions helps you identify important questions and improves your exam preparation, ensuring you score better in your assessments.
What You Will Practise Here
Basic arithmetic operations: addition, subtraction, multiplication, and division
Fractions and decimals: conversion and operations
Percentage calculations: increase, decrease, and comparisons
Ratio and proportion: understanding and application
Averages: calculating and interpreting data
Simple and compound interest: formulas and problem-solving
Time, speed, and distance: concepts and related problems
Exam Relevance
Arithmetic Aptitude is a significant topic in various examinations, including CBSE, State Boards, NEET, and JEE. Students can expect questions that test their understanding of basic concepts, calculations, and problem-solving abilities. Common question patterns include direct application of formulas, word problems, and data interpretation, making it essential to practice thoroughly.
Common Mistakes Students Make
Misunderstanding the question requirements, leading to incorrect answers.
Overlooking the order of operations in complex calculations.
Confusing percentages with fractions, resulting in calculation errors.
Neglecting to convert units properly in time, speed, and distance problems.
Failing to apply the correct formula for interest calculations.
FAQs
Question: What are some effective strategies for solving Arithmetic Aptitude MCQs?Answer: Practice regularly, understand the underlying concepts, and familiarize yourself with different question types to enhance your speed and accuracy.
Question: How can I improve my speed in solving Arithmetic Aptitude questions?Answer: Time yourself while practicing and focus on shortcuts and tricks that can simplify calculations.
Start your journey towards mastering Arithmetic Aptitude today! Solve practice MCQs and test your understanding to ensure you are well-prepared for your exams. Your success is just a question away!
Q. If a shirt is sold for $30 after a profit of 50%, what was the cost price?
A.
$20
B.
$25
C.
$15
D.
$10
Show solution
Solution
Let Cost Price = x. Selling Price = x + 0.5x = 1.5x. 1.5x = 30, x = 30 / 1.5 = $20.
Correct Answer:
A
— $20
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Q. If a shirt is sold for $40 after a 20% discount, what was its original price?
A.
$32
B.
$36
C.
$48
D.
$50
Show solution
Solution
Let original price be x. 0.8x = 40, x = 40/0.8 = 50
Correct Answer:
C
— $48
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Q. If a shirt is sold for $40 after a 20% discount, what was the original price?
A.
$50
B.
$45
C.
$60
D.
$55
Show solution
Solution
Let the original price be x. Then, x - 0.2x = 40 => 0.8x = 40 => x = 50.
Correct Answer:
A
— $50
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Q. If a shirt is sold for $40 after a discount of 20%, what was the original price of the shirt?
A.
$50
B.
$60
C.
$45
D.
$55
Show solution
Solution
Let the original price be x. Then, 0.8x = 40, so x = 40/0.8 = $50.
Correct Answer:
A
— $50
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Q. If a shirt is sold for $45 after a discount of 10%, what was the original price of the shirt?
A.
$50
B.
$55
C.
$60
D.
$65
Show solution
Solution
Let the original price be x. After a 10% discount, the selling price is x - 0.1x = 0.9x. So, 0.9x = 45. Therefore, x = 45/0.9 = $50.
Correct Answer:
A
— $50
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Q. If a square has an area of 49 square meters, what is the perimeter of the square?
Show solution
Solution
Side = √49 = 7 meters; Perimeter = 4 × side = 4 × 7 = 28 meters.
Correct Answer:
A
— 28
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Q. If a stock is bought at $80 and sold at $100, what is the profit in dollars?
A.
$15
B.
$20
C.
$25
D.
$30
Show solution
Solution
Profit = Selling Price - Cost Price = 100 - 80 = $20
Correct Answer:
B
— $20
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Q. If a stock is bought for $200 and sold for $250, what is the percentage profit?
A.
20%
B.
25%
C.
30%
D.
40%
Show solution
Solution
Percentage Profit = [(Selling Price - Cost Price) / Cost Price] * 100 = [(250 - 200) / 200] * 100 = 25%
Correct Answer:
B
— 25%
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Q. If a stock's price decreases from $120 to $90, what is the percentage loss?
A.
25%
B.
30%
C.
20%
D.
15%
Show solution
Solution
Percentage Loss = [(Old Price - New Price) / Old Price] * 100 = [(120 - 90) / 120] * 100 = 25%.
Correct Answer:
B
— 30%
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Q. If a stock's price drops from $120 to $90, what is the percentage loss?
A.
25%
B.
30%
C.
20%
D.
15%
Show solution
Solution
Percentage Loss = [(Old Price - New Price) / Old Price] * 100 = [(120 - 90) / 120] * 100 = 25%.
Correct Answer:
B
— 30%
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Q. If a stock's price is $120 and it pays a dividend of $6, what is the dividend yield?
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Solution
Dividend Yield = (Dividend / Price) * 100 = (6 / 120) * 100 = 5%.
Correct Answer:
B
— 5%
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Q. If a stock's price is $200 and it increases by 15% in one year, what will be its price after one year?
A.
$220
B.
$230
C.
$240
D.
$250
Show solution
Solution
New Price = Old Price + (Percentage Increase of Old Price) = 200 + (15/100 * 200) = 200 + 30 = $230
Correct Answer:
A
— $220
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Q. If a stock's price is $300 and it decreases by 20%, what is the new price?
A.
$240
B.
$250
C.
$260
D.
$280
Show solution
Solution
New Price = Old Price - (Percentage Decrease of Old Price) = 300 - (20/100 * 300) = 300 - 60 = $240
Correct Answer:
A
— $240
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Q. If a stock's price is $75 and it increases by 12%, what will be the new price?
A.
$84
B.
$90
C.
$78
D.
$80
Show solution
Solution
New Price = Old Price + (12% of Old Price) = 75 + (0.12 * 75) = 75 + 9 = $84.
Correct Answer:
A
— $84
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Q. If a stock's price is $80 and it increases by 15%, what will be the new price?
A.
$92
B.
$90
C.
$85
D.
$95
Show solution
Solution
New Price = Old Price + (Percentage Increase of Old Price) = 80 + (15/100 * 80) = 80 + 12 = $92
Correct Answer:
A
— $92
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Q. If a student answered 85% of the questions correctly in an exam and there were 120 questions, how many questions did he answer correctly?
A.
90
B.
95
C.
100
D.
102
Show solution
Solution
Correct answers = 0.85 * 120 = 102.
Correct Answer:
C
— 100
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Q. If a student answered 90 questions correctly out of 120, what is the percentage of correct answers?
A.
70%
B.
75%
C.
80%
D.
85%
Show solution
Solution
Percentage of correct answers = (90 / 120) * 100 = 75%.
Correct Answer:
C
— 80%
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Q. If a student has a 70% chance of passing an exam, what is the probability of failing?
A.
0.3
B.
0.7
C.
0.5
D.
0.2
Show solution
Solution
Probability of failing = 1 - Probability of passing = 1 - 0.7 = 0.3.
Correct Answer:
A
— 0.3
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Q. If a student has a 70% chance of passing an exam, what is the probability of failing the exam?
A.
0.3
B.
0.7
C.
0.5
D.
0.2
Show solution
Solution
Probability of failing = 1 - 0.7 = 0.3.
Correct Answer:
A
— 0.3
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Q. If a student increases his score from 50 to 70 in a test, what is the percentage increase in his score?
A.
30%
B.
40%
C.
50%
D.
20%
Show solution
Solution
Percentage increase = ((70 - 50) / 50) * 100 = 40%.
Correct Answer:
B
— 40%
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Q. If a student needs to score at least 75% to pass an exam and he scored 300 out of 400, did he pass?
A.
Yes
B.
No
C.
Cannot be determined
D.
None of the above
Show solution
Solution
Percentage = (300/400)*100 = 75%. Since he scored exactly 75%, he passes.
Correct Answer:
A
— Yes
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Q. If a student needs to score at least 75% to pass and he scored 300 marks out of 400, did he pass?
A.
Yes
B.
No
C.
Cannot determine
D.
Depends on the subject
Show solution
Solution
Percentage = (300/400) * 100 = 75%. He passed.
Correct Answer:
A
— Yes
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Q. If a student needs to score at least 75% to pass and he scores 300 marks out of 400, does he pass?
A.
Yes
B.
No
C.
Maybe
D.
Not enough information
Show solution
Solution
Percentage = (300 / 400) * 100 = 75%. He passes.
Correct Answer:
A
— Yes
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Q. If a student scored 75% in an exam and the total marks were 800, how many marks did he score?
A.
600
B.
650
C.
700
D.
750
Show solution
Solution
Marks scored = 75% of 800 = 0.75 * 800 = 600.
Correct Answer:
A
— 600
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Q. If a student scores 45 out of 60 in an exam, what is his percentage score?
A.
70%
B.
75%
C.
80%
D.
85%
Show solution
Solution
Percentage score = (45 / 60) * 100 = 75%.
Correct Answer:
B
— 75%
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Q. If a student scores 60 marks out of 80 in a test, what is the percentage score?
A.
70%
B.
75%
C.
80%
D.
85%
Show solution
Solution
Percentage = (60 / 80) * 100 = 75%.
Correct Answer:
B
— 75%
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Q. If a student scores 70 marks out of 80, what is his percentage score?
A.
85%
B.
90%
C.
80%
D.
75%
Show solution
Solution
Percentage = (70 / 80) * 100 = 87.5%.
Correct Answer:
A
— 85%
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Q. If a student scores 80% in Mathematics and 70% in Science, what is his average percentage?
A.
75%
B.
76%
C.
77%
D.
78%
Show solution
Solution
Average = (80 + 70) / 2 = 150 / 2 = 75%.
Correct Answer:
A
— 75%
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Q. If a student scores 90 marks out of 120 in an exam, what is his percentage score?
A.
70%
B.
75%
C.
80%
D.
85%
Show solution
Solution
Percentage score = (90/120) * 100 = 75%.
Correct Answer:
C
— 80%
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Q. If a student scores 90 marks out of 120, what is his percentage score?
A.
75%
B.
80%
C.
85%
D.
70%
Show solution
Solution
Percentage score = (90 / 120) * 100 = 75%.
Correct Answer:
B
— 80%
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