Numbers MCQ & Objective Questions

Understanding "Numbers" is crucial for students preparing for school exams and competitive tests in India. Mastering this topic not only enhances your mathematical skills but also boosts your confidence in tackling MCQs and objective questions. Regular practice with these important questions can significantly improve your exam performance and help you achieve better scores.

What You Will Practise Here

  • Types of Numbers: Natural, Whole, Integers, Rational, and Irrational Numbers
  • Number Properties: Commutative, Associative, and Distributive Laws
  • Prime and Composite Numbers: Definitions and Identification
  • Factors and Multiples: Finding GCD and LCM
  • Decimal and Fractional Numbers: Conversion Techniques
  • Number Patterns and Sequences: Arithmetic and Geometric Progressions
  • Real-life Applications: Using Numbers in Everyday Situations

Exam Relevance

The topic of "Numbers" is a fundamental part of the curriculum for CBSE, State Boards, NEET, and JEE. You will often encounter questions that test your understanding of number properties, operations, and applications. Common question patterns include identifying types of numbers, solving problems related to factors and multiples, and applying number theory concepts in real-world scenarios. Being well-versed in this area can give you a significant edge in your exam preparation.

Common Mistakes Students Make

  • Confusing prime numbers with composite numbers due to lack of clarity on definitions.
  • Overlooking the importance of order in operations, leading to incorrect answers.
  • Misunderstanding the concept of GCD and LCM, especially in word problems.
  • Failing to convert fractions to decimals correctly before performing calculations.
  • Neglecting to practice number patterns, which can lead to errors in sequence-related questions.

FAQs

Question: What are some effective ways to practice Numbers MCQs?
Answer: Regularly solving practice questions, reviewing mistakes, and focusing on weak areas can greatly enhance your understanding.

Question: How can I improve my speed in solving Numbers objective questions?
Answer: Familiarize yourself with shortcuts and formulas, and practice under timed conditions to increase your efficiency.

Now is the time to take charge of your learning! Dive into our practice MCQs on Numbers and test your understanding. The more you practice, the more confident you will become in your exam preparation. Let's conquer those important Numbers questions together!

Q. If a product is marked at $200 and sold at a discount of 10%, what is the selling price?
  • A. $180
  • B. $190
  • C. $200
  • D. $170
Q. If a product is sold for $120 after a 20% discount, what was the original price?
  • A. $150
  • B. $140
  • C. $160
  • D. $130
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
Q. If a sum of money doubles in 5 years at compound interest, what is the rate of interest?
  • A. 10%
  • B. 12%
  • C. 15%
  • D. 20%
Q. If a train travels 150 km in 3 hours, what is its speed in m/s?
  • A. 10 m/s
  • B. 12.5 m/s
  • C. 15 m/s
  • D. 20 m/s
Q. If a train travels 300 km in 5 hours, what is its average speed?
  • A. 50 km/h
  • B. 60 km/h
  • C. 70 km/h
  • D. 80 km/h
Q. If the population of a town increases from 20,000 to 25,000, what is the percentage increase?
  • A. 20%
  • B. 25%
  • C. 30%
  • D. 15%
Q. If the ratio of boys to girls in a class is 3:2 and there are 30 students, how many girls are there?
  • A. 10
  • B. 12
  • C. 18
  • D. 20
Q. If the ratio of boys to girls in a class is 3:4 and there are 28 girls, how many boys are there?
  • A. 21
  • B. 24
  • C. 25
  • D. 30
Q. What is 15% of 200?
  • A. 25
  • B. 30
  • C. 35
  • D. 40
Q. What is 25% of 200?
  • A. 25
  • B. 50
  • C. 75
  • D. 100
Q. What is the average of the numbers 10, 20, 30, 40, and 50?
  • A. 30
  • B. 25
  • C. 35
  • D. 40
Q. What is the greatest common divisor (GCD) of 24 and 36?
  • A. 6
  • B. 8
  • C. 12
  • D. 18
Q. What is the least common multiple (LCM) of 12 and 15?
  • A. 30
  • B. 60
  • C. 90
  • D. 120
Q. What is the product of the first 4 prime numbers?
  • A. 30
  • B. 60
  • C. 70
  • D. 120
Q. What is the product of the first 5 prime numbers?
  • A. 30
  • B. 210
  • C. 2310
  • D. 30030
Q. What is the product of the first three prime numbers?
  • A. 30
  • B. 60
  • C. 42
  • D. 70
Q. What is the square root of 144?
  • A. 10
  • B. 11
  • C. 12
  • D. 13
Q. What is the sum of the first 10 natural numbers?
  • A. 45
  • B. 50
  • C. 55
  • D. 60
Q. What is the value of 7^2 + 3^2?
  • A. 58
  • B. 62
  • C. 70
  • D. 74
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