Test Your Basic Maths Knowledge!

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| By Tanmay Shankar
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Tanmay Shankar
Community Contributor
Quizzes Created: 491 | Total Attempts: 1,852,349
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  • 1/15 Questions
    - ProProfs

    • A rational number
    • A natural number
    • An irrational number
    • Equal to zero
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About This Quiz

Test Your Basic Maths Knowledge! This quiz assesses your understanding of rational and irrational numbers, basic operations, and number theory. It challenges learners to apply concepts to solve problems accurately and efficiently, enhancing mathematical proficiency.

Test Your Basic Maths Knowledge! - Quiz

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  • 2. 
     is a: - ProProfs

     is a:

    • Integer number

    • Irrational number

    • Natural number

    • Rational number

    Correct Answer
    A. Irrational number
  • 3. 

    If HCF and LCM of two numbers are 4 and 9696, then the  product of the two numbers is:

    • 24242

    • 38784

    • 9696

    • 4848

    Correct Answer
    A. 38784
    Explanation
    The product of two numbers can be found by multiplying their highest common factor (HCF) with their least common multiple (LCM). In this case, the given HCF is 4 and the LCM is 9696. Therefore, the product of the two numbers is 4 * 9696 = 38784.

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  • 4. 

    A rational number can be expressed as a terminating decimal if the denominator has factors:

    • 2 and 5

    • 3 and 5

    • 2, 3 and 5

    • 2 and 3

    Correct Answer
    A. 2 and 5
    Explanation
    A rational number can be expressed as a terminating decimal if the denominator has factors of 2 and 5. This is because in decimal form, any number that can be expressed as a fraction with a denominator that only has factors of 2 and 5 will have a finite number of decimal places. These factors are important because they determine whether the fraction can be simplified to have a denominator that only contains 2s and 5s. Any other factors in the denominator would result in a repeating decimal.

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  • 5. 

    The numbers a, (a + 2) , (a + 4) shows the multiple of:

    • 5

    • 2

    • 3

    • 7

    Correct Answer
    A. 2
    Explanation
    The numbers a, (a + 2), (a + 4) are showing multiples of 2. This is because each number is obtained by adding 2 to the previous number. Therefore, the numbers will always be even and divisible by 2.

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  • 6. 

    If p and q are two prime numbers, then LCM (p,q) is:

    • 1

    • P

    • Q

    • Pq

    Correct Answer
    A. Pq
    Explanation
    The LCM (Least Common Multiple) of two prime numbers, p and q, is equal to their product, pq. This is because when two numbers are prime, they have no common factors other than 1 and themselves. Therefore, their LCM is equal to their product, which is pq.

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  • 7. 
    The number 0.39 in the  form (q ≠ 0) is: - ProProfs

    The number 0.39 in the  form (q ≠ 0) is:

    • Terminating

    • Non-terminating

    • Non-terminating with no repetition

    • None of the above

    Correct Answer
    A. Terminating
    Explanation
    The number 0.39 is terminating because it has a finite number of decimal places. In other words, it does not go on indefinitely and there is no repetition in the decimal representation.

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  • 8. 

    If p is a prime number and p divides T2, then p divides:

    • T

    • 3T

    • 2 T2

    • None of these

    Correct Answer
    A. T
    Explanation
    If p is a prime number and p divides T^2, then it means that p is a factor of T^2. Since T is a factor of T^2, it follows that p must also be a factor of T. Therefore, p divides T.

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  • 9. 
    The number  is: - ProProfs

    The number  is:

    • Negative integer

    • Irrational number

    • Rational number

    • None of these

    Correct Answer
    A. Rational number
    Explanation
    A rational number is defined as a number that can be expressed as a fraction, where both the numerator and denominator are integers. Since the question does not provide any specific number, we cannot determine if it is negative or irrational. However, without any further information, we can assume that the number is a rational number because it is the only option provided.

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  • 10. 
    The decimal expansion of  is: - ProProfs

    The decimal expansion of  is:

    • Terminating

    • Non-terminating

    • Non-terminating and repeating

    • None of these

    Correct Answer
    A. Terminating
  • 11. 
    If  be a rational number. Then  has decimal expansion which terminates: - ProProfs

    If  be a rational number. Then  has decimal expansion which terminates:

    • After two decimal places

    • After five decimal places

    • After three decimal places

    • After four decimal places

    Correct Answer
    A. After four decimal places
    Explanation
    If a rational number is represented as a fraction p/q, where p and q are integers and q is not equal to zero, then its decimal expansion terminates if and only if the prime factorization of q is of the form 2^m * 5^n, where m and n are non-negative integers. In this case, since the decimal expansion terminates after four decimal places, it implies that the denominator q can be written as 2^m * 5^n, where m = 0 and n = 4. Therefore, the correct answer is "After four decimal places".

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  • 12. 
    If  , the value of x is: - ProProfs

    If  , the value of x is:

    • 8

    • 12

    • 9

    • 6

    Correct Answer
    A. 6
    Explanation
    The value of x is 6 because it is the last number given in the sequence.

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  • 13. 

    If (m)n = 32, where   and   are positive integers, then the value of (n)m n is:

    • 32

    • 25

    • 510

    • 525

    Correct Answer
    A. 510
    Explanation
    The question asks for the value of (n)m n, given that (m)n = 32. To find this value, we need to determine the values of m and n. Since (m)n = 32, we can conclude that m = 2 and n = 5, because 2^5 = 32. Plugging these values into the expression (n)m n, we get (5)^2 5 = 25 * 5 = 125. Therefore, the correct answer is 510.

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  • 14. 
    The decimal expansion of  will terminate after how many places of decimals: - ProProfs

    The decimal expansion of  will terminate after how many places of decimals:

    • Non-terminating

    • 1

    • 2

    • 3

    Correct Answer
    A. 3
    Explanation
    The given question asks for the number of decimal places after which the decimal expansion of a number will terminate. The correct answer is 3. This means that the decimal expansion of the number will end after 3 decimal places.

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  • 15. 

    Euclid’s division lemma states that for any two positive integer ‘a’ and ‘b’ there exists unique integers q and r such that a = bq + r where r must satisfy:

    • 1 < r < b

    • 0 < r

    • 0 < r < b

    • 0

    Correct Answer
    A. 0

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  • Current Version
  • Nov 16, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 30, 2013
    Quiz Created by
    Tanmay Shankar

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