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. In how many ways can 6 different books be selected and arranged on a shelf?
A.
720
B.
600
C.
840
D.
480
Show solution
Solution
The number of ways to select and arrange 6 books is 6! = 720.
Correct Answer:
A
— 720
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Q. In how many ways can 6 people be seated around a circular table?
A.
720
B.
120
C.
60
D.
30
Show solution
Solution
The number of ways to arrange 6 people around a circular table is (6-1)! = 5! = 120.
Correct Answer:
B
— 120
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Q. In how many ways can 6 people be seated at a round table?
A.
120
B.
720
C.
60
D.
30
Show solution
Solution
The number of ways to arrange 6 people at a round table is (6-1)! = 5! = 120.
Correct Answer:
A
— 120
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Q. In how many ways can 6 people be seated in a round table?
A.
720
B.
120
C.
60
D.
30
Show solution
Solution
The number of ways to arrange 6 people in a round table is (6-1)! = 5! = 120.
Correct Answer:
A
— 720
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Q. In how many ways can 7 different books be arranged if 3 specific books must be on the top?
A.
720
B.
120
C.
5040
D.
840
Show solution
Solution
The 3 specific books can be arranged in 3! = 6 ways. The remaining 4 books can be arranged in 4! = 24 ways. Total = 6 * 24 = 144.
Correct Answer:
A
— 720
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Q. In how many ways can 7 different books be arranged on a shelf if 3 specific books must be in the middle?
A.
720
B.
1440
C.
5040
D.
840
Show solution
Solution
Arrange the 3 specific books in the middle (3!) and the remaining 4 books (4!): 3! * 4! = 1440.
Correct Answer:
B
— 1440
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Q. In how many ways can a committee of 2 be formed from 5 people?
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Solution
The number of ways to form a committee of 2 from 5 is C(5, 2) = 10.
Correct Answer:
A
— 10
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Q. In how many ways can the letters of the word 'BANANA' be arranged?
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Solution
The number of arrangements of the letters in 'BANANA' is 6! / (3!) = 20.
Correct Answer:
B
— 30
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Q. In how many ways can the letters of the word 'MATH' be arranged?
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Solution
The number of ways to arrange the letters of 'MATH' is 4! = 24.
Correct Answer:
A
— 24
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Q. In the series 1, 1, 2, 3, 5, 8, 13, 21, 34, which number does not belong?
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Solution
The first '1' is repeated, while all other numbers are unique Fibonacci numbers.
Correct Answer:
A
— 1
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Q. In the series 1, 1, 2, 3, 5, 8, 13, which number does not belong?
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Solution
The first '1' is repeated, while all other numbers are unique Fibonacci numbers.
Correct Answer:
A
— 1
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Q. In the series 1, 1, 2, 3, 5, 8, 13, which number is the odd one out?
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Solution
All numbers except 2 are Fibonacci numbers. 2 is the odd one out.
Correct Answer:
B
— 2
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Q. In the series 1, 2, 4, 8, 16, 32, 64, 128, which number does not belong?
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Solution
All numbers are powers of 2 except 1, which is not considered a power of 2 in this context.
Correct Answer:
A
— 1
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Q. In the series 1, 3, 5, 7, 9, 11, 13, 15, 18, which number is the odd one out?
Show solution
Solution
All numbers except 18 are odd numbers. 18 is the odd one out.
Correct Answer:
D
— 18
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Q. In the series 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 200, which number is the odd one out?
A.
100
B.
121
C.
144
D.
200
Show solution
Solution
All numbers except 200 are perfect squares. 200 is the odd one out.
Correct Answer:
D
— 200
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Q. In the series 1, 4, 9, 16, 25, 36, 49, which number is the odd one out?
Show solution
Solution
All numbers except 1 are perfect squares of integers greater than 1.
Correct Answer:
A
— 1
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Q. In the series 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, which number is the odd one out?
Show solution
Solution
All numbers are multiples of 10 except 90, which is not a multiple of 10 in this context.
Correct Answer:
D
— 90
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Q. In the series 10, 20, 30, 40, 50, 60, 70, 80, 90, which number is the odd one out?
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Solution
All numbers are multiples of 10 except 90, which is not part of the sequence of 10s.
Correct Answer:
D
— 90
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Q. In the series 2, 3, 5, 7, 11, 13, 17, 19, 23, 25, which is the odd one out?
Show solution
Solution
All numbers are prime except 25, which is not a prime number.
Correct Answer:
C
— 25
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Q. In the series 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, which number is the odd one out?
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Solution
All numbers are even except 20, which is not part of the sequence of evens.
Correct Answer:
D
— 20
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Q. In the series 4, 8, 12, 16, 20, 25, which number is the odd one out?
Show solution
Solution
All numbers except 25 are multiples of 4. 25 is the odd one out.
Correct Answer:
D
— 25
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Q. In the series 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, which is the odd one out?
Show solution
Solution
All numbers are multiples of 5 except 35, which is not a multiple of 10.
Correct Answer:
D
— 35
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Q. In the series 7, 14, 21, 28, 35, 42, 50, which number is the odd one out?
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Solution
All numbers except 50 are multiples of 7. 50 is the odd one out.
Correct Answer:
D
— 50
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Q. In the series 9, 18, 27, 36, 45, 54, 63, which number is different?
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Solution
All numbers except 9 are multiples of 9. 9 is the only single-digit number.
Correct Answer:
A
— 9
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Q. In the series of simple interest rates: 4%, 5%, 6%, 8%, 7%, which is the odd one out?
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Solution
8% is the odd one out as it does not follow the increasing order of 4%, 5%, 6%, and 7%.
Correct Answer:
D
— 8%
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Q. In the series: 3%, 6%, 9%, 12%, 15%, which is the odd one out?
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Solution
15% is the odd one out as it does not follow the pattern of increasing by 3%.
Correct Answer:
D
— 15%
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Q. K is 10 years older than L. If L is 20 years old, what is the age difference between K and L?
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Solution
K is 20 + 10 = 30 years old. The age difference is 30 - 20 = 10 years.
Correct Answer:
B
— 10
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Q. K is 3 times as old as L. If the sum of their ages is 48, what is K's age?
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Solution
Let L's age be x. Then K's age is 3x. So, x + 3x = 48. Solving gives x = 12, K's age = 3 * 12 = 36.
Correct Answer:
A
— 36
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Q. K is 4 years younger than L. If L is 28 years old, how old is K?
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Solution
If L is 28 years old, then K is 28 - 4 = 24 years old.
Correct Answer:
A
— 22
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Q. K is half the age of L. If L is 40 years old, how old is K?
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Solution
If L is 40 years old, then K is 40 / 2 = 20 years old.
Correct Answer:
A
— 20
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