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. A product's price increased from $200 to $250. What is the percentage increase in price?
A.
20%
B.
25%
C.
30%
D.
35%
Show solution
Solution
Percentage increase = ((250 - 200) / 200) * 100 = (50 / 200) * 100 = 25%.
Correct Answer:
B
— 25%
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Q. A product's price increased from $50 to $65. What is the percentage increase in the price?
A.
25%
B.
30%
C.
35%
D.
40%
Show solution
Solution
Increase = 65 - 50 = 15; Percentage increase = (15/50) * 100 = 30%.
Correct Answer:
B
— 30%
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Q. A product's price increased from $80 to $100. What is the percentage increase?
A.
20%
B.
25%
C.
30%
D.
35%
Show solution
Solution
Percentage increase = ((100 - 80) / 80) * 100 = (20 / 80) * 100 = 25%.
Correct Answer:
B
— 25%
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Q. A project requires 120 hours of work. If 3 workers are assigned, how long will it take to complete the project?
A.
30 hours
B.
40 hours
C.
50 hours
D.
60 hours
Show solution
Solution
Total man-hours = 120. For 3 workers, time = 120/3 = 40 hours.
Correct Answer:
B
— 40 hours
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Q. A recipe requires 200g of sugar, which is 20% of the total weight. What is the total weight of the recipe?
A.
800g
B.
1000g
C.
600g
D.
400g
Show solution
Solution
If 200g is 20%, then total weight = 200 / 0.2 = 1000g.
Correct Answer:
A
— 800g
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Q. A recipe requires sugar and flour in the ratio of 2:3. If there are 10 cups of flour, how many cups of sugar are needed?
Show solution
Solution
Let sugar be 2x and flour be 3x. Given 3x = 10, x = 10/3. Therefore, sugar = 2x = 2*(10/3) = 20/3 ≈ 6.67.
Correct Answer:
A
— 4
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Q. A recipe requires sugar and flour in the ratio of 2:3. If there are 15 cups of flour, how many cups of sugar are needed?
Show solution
Solution
Let sugar be 2x and flour be 3x. Given 3x = 15, x = 5. Therefore, sugar = 2x = 2*5 = 10.
Correct Answer:
A
— 10
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Q. A rectangle has an area of 72 cm² and a length of 12 cm. What is its width?
A.
6 cm
B.
8 cm
C.
4 cm
D.
10 cm
Show solution
Solution
Area = length × width. Therefore, width = Area/length = 72 cm²/12 cm = 6 cm.
Correct Answer:
B
— 8 cm
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Q. A rectangle has an area of 72 m² and a length of 12 m. What is its width?
A.
6 m
B.
8 m
C.
4 m
D.
10 m
Show solution
Solution
Area = length × width; width = Area / length = 72 m² / 12 m = 6 m.
Correct Answer:
B
— 8 m
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Q. A rectangular box has a length of 10 cm, a width of 5 cm, and a height of 2 cm. What is the volume of the box?
A.
100 cm³
B.
50 cm³
C.
20 cm³
D.
40 cm³
Show solution
Solution
Volume = length × width × height = 10 × 5 × 2 = 100 cm³
Correct Answer:
A
— 100 cm³
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Q. A rectangular box has a length of 10 cm, a width of 5 cm, and a height of 2 cm. What is the total surface area of the box?
A.
70 cm²
B.
60 cm²
C.
100 cm²
D.
80 cm²
Show solution
Solution
Surface Area = 2(lw + lh + wh) = 2(10*5 + 10*2 + 5*2) = 2(50 + 20 + 10) = 2 * 80 = 160 cm².
Correct Answer:
A
— 70 cm²
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Q. A rectangular field has a length of 50 meters and a width of 30 meters. What is the area of the field in square meters?
A.
1500
B.
1800
C.
2000
D.
2500
Show solution
Solution
Area = length × width = 50 × 30 = 1500 square meters.
Correct Answer:
A
— 1500
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Q. A rectangular field is 50 meters long and 30 meters wide. What is the percentage increase in area if the length is increased by 20%?
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Solution
Original area = 50 × 30 = 1500 sq. meters; New length = 50 × 1.2 = 60 meters; New area = 60 × 30 = 1800 sq. meters; Percentage increase = ((1800 - 1500) / 1500) × 100 = 20%.
Correct Answer:
A
— 20
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Q. A rectangular garden has a length of 20 meters and a width of 15 meters. What is the area of the garden in square meters?
A.
300
B.
250
C.
400
D.
350
Show solution
Solution
Area = length × width = 20 × 15 = 300 square meters.
Correct Answer:
A
— 300
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Q. A rectangular garden is 15 m long and 10 m wide. If a path of 1 m width is built around it, what is the area of the path?
A.
80 m²
B.
100 m²
C.
60 m²
D.
120 m²
Show solution
Solution
Total area with path = (15+2) × (10+2) = 17 × 12 = 204 m². Area of garden = 15 × 10 = 150 m². Area of path = 204 - 150 = 54 m².
Correct Answer:
A
— 80 m²
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Q. A rectangular garden is 15 meters long and 10 meters wide. What is the area of the garden in square meters?
A.
100
B.
120
C.
150
D.
200
Show solution
Solution
Area = length × width = 15 × 10 = 150 square meters.
Correct Answer:
B
— 120
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Q. A rectangular garden is 25 meters long and 15 meters wide. What is the area of the garden in square meters?
A.
350
B.
375
C.
400
D.
425
Show solution
Solution
Area = length × width = 25 × 15 = 375 square meters.
Correct Answer:
B
— 375
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Q. A rectangular plot has a length that is twice its width. If the width is 12 meters, what is the area of the plot in square meters?
A.
144
B.
192
C.
216
D.
240
Show solution
Solution
Width = 12 meters, Length = 2 × 12 = 24 meters. Area = length × width = 24 × 12 = 288 square meters.
Correct Answer:
B
— 192
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Q. A rectangular plot has an area of 1200 square meters and a length of 40 meters. What is the width of the plot?
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Solution
Area = length × width, so width = Area / length = 1200 / 40 = 30 meters.
Correct Answer:
B
— 30
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Q. A rectangular plot has an area of 180 square meters and a length of 15 meters. What is the width of the plot?
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Solution
Width = Area / length = 180 / 15 = 12 meters.
Correct Answer:
A
— 12
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Q. A rectangular plot has an area of 240 square meters and a length of 20 meters. What is the width of the plot in meters?
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Solution
Area = length × width; 240 = 20 × width; width = 240 / 20 = 12 meters.
Correct Answer:
B
— 12
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Q. A rectangular plot has an area of 2400 square meters and a length of 60 meters. What is the width of the plot in meters?
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Solution
Area = length × width; 2400 = 60 × width; width = 2400 / 60 = 40 meters.
Correct Answer:
A
— 30
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Q. A rectangular prism has dimensions 3 cm, 4 cm, and 5 cm. What is the volume of the prism?
A.
60 cm³
B.
12 cm³
C.
15 cm³
D.
20 cm³
Show solution
Solution
Volume = length * width * height = 3 * 4 * 5 = 60 cm³.
Correct Answer:
A
— 60 cm³
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Q. A rectangular prism has dimensions of 3 cm, 4 cm, and 5 cm. What is the total surface area?
A.
62 cm²
B.
60 cm²
C.
70 cm²
D.
50 cm²
Show solution
Solution
Surface Area = 2(lw + lh + wh) = 2(3*4 + 3*5 + 4*5) = 62 cm²
Correct Answer:
A
— 62 cm²
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Q. A rectangular prism has dimensions of 3 cm, 4 cm, and 5 cm. What is the volume of the prism?
A.
60 cm³
B.
12 cm³
C.
15 cm³
D.
20 cm³
Show solution
Solution
Volume = l * w * h = 3 * 4 * 5 = 60 cm³.
Correct Answer:
A
— 60 cm³
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Q. A rectangular room is 12 meters long and 9 meters wide. What is the area of the room in square meters?
A.
108
B.
100
C.
120
D.
110
Show solution
Solution
Area = length × width = 12 × 9 = 108 square meters.
Correct Answer:
A
— 108
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Q. A rectangular room is 8 meters long and 6 meters wide. What is the area of the room in square meters?
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Solution
Area = length × width = 8 × 6 = 48 square meters.
Correct Answer:
B
— 48
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Q. A rectangular swimming pool is 20 meters long and 10 meters wide. What is the area of the pool in square meters?
A.
150
B.
200
C.
250
D.
300
Show solution
Solution
Area = length × width = 20 × 10 = 200 square meters.
Correct Answer:
B
— 200
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Q. A rectangular swimming pool is 25 meters long and 10 meters wide. What is the area of the pool?
A.
250
B.
200
C.
300
D.
150
Show solution
Solution
Area = length × width = 25 × 10 = 250 square meters.
Correct Answer:
A
— 250
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Q. A rectangular swimming pool is 25 meters long and 10 meters wide. What is the area of the pool in square meters?
A.
250
B.
200
C.
300
D.
150
Show solution
Solution
Area = length × width = 25 × 10 = 250 square meters.
Correct Answer:
A
— 250
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